Greenhouse Emissions Quotes

There is no doubt that the United States has much to atone for, both domestically and abroad...To produce this horrible confection at home, start with our genocidal treatment of the Native Americans, add a couple hundred years of slavery, along with our denial of entry to Jewish refugees fleeing the death camps of the Third Reich, stir in our collusion with a long list of modern despots and our subsequent disregard for their appalling human rights records, add our bombing of Cambodia and the Pentagon Papers to taste, and then top with our recent refusals to sign the Kyoto protocol for greenhouse emissions, to support any ban on land mines, and to submit ourselves to the rulings of the International Criminal Court. The result should smell of death, hypocrisy, and fresh brimstone.

According to the United Nations Framework Convention on Climate Change, if cows were a country, they would rank third in greenhouse gas emissions, after China and the United States.

We are completely capable as a species of devolving into a fractured, dark, poor, hungry world while still increasing greenhouse gas emissions.

We can think of our atmosphere as a budget and our emissions as expenses: because methane and nitrous oxide are significantly larger greenhouse expenses than CO2 in the short term, they are the most urgent to cut. Because they are primarily created by our food choices, they are also easier to cut.

When it comes to climate, countries are just not sovereign. They are at the mercy of actions taken by people on the other side of the planet. The Republic of Kiribati, an island nation in the Pacific Ocean, could reduce its greenhouse gas emissions to zero and nevertheless be submerged under the rising waves if other countries don’t follow suit.

Every year, wildfires in California create more greenhouse gas emissions than the state’s progressive environmental policies save.

The enlightened response to climate change is to figure out how to get the most energy with the least emission of greenhouse gases.

Currently, up to 20 percent of human greenhouse gas emissions are being caused by deforestation in tropical Brazil and Indonesia, making those countries two of the highest carbon emitters in the world. It is estimated that halting forest destruction would save the same amount of carbon over the next century as stopping all fossil-fuel emissions for ten years.

According to Project Drawdown, four of the most effective strategies for mitigating global warming are reducing food waste, educating girls, providing family planning and reproductive healthcare, and collectively shifting to a plant-rich diet. The benefits of these advancements extend far beyond the reduction of greenhouse gas emissions, and their primary cost is our collective effort.

The enlightened response to climate change is to figure out how to get the most energy with the least emission of greenhouse gases. There is, to be sure, a tragic view of modernity in which this is impossible: industrial society, powered by flaming carbon, contains the fuel of its own destruction. But the tragic view is incorrect. Ausubel notes that the modern world has been progressively decarbonizing.

Most of us generate more planet-warming emissions from eating than we do from driving or flying. Food production now accounts for about a fifth of total greenhouse gas emissions annually, which means that agriculture contributes more than any other sector, including energy and transportation, to climate change.

NASA scientists calculated in 2013 that nuclear power has actually prevented an average of 1.84 million air pollution-related deaths and 64 gigatonnes of CO2-equivalent greenhouse gas emissions that would have resulted from fossil fuel burning between 1971 and 2009.68

the fashion industry has an enormous carbon footprint. Textile production is second only to the oil industry for pollution. It adds more greenhouse gases to our atmosphere than all international flights and maritime shipping combined. Estimates suggest that the fashion industry is responsible for a whopping 10 percent of global CO2 emissions,26 and as we increase our consumption of fast fashion, the related emissions are set to grow rapidly.

The climate crisis is both the easiest and the hardest issue we have ever faced. The easiest because we know what we must do. We must stop the emissions of greenhouse gases. The hardest because our current economics are still totally dependent on burning fossil fuels, and thereby destroying ecosystems in order to create everlasting economic growth.

Livestock produce more greenhouse gases than global airplane and car emissions combined, and 65 percent of these gases come from cows.

The climate models showed that greenhouse gas emissions had contributed to an increase in such summers, from one in 1,000 years to at least one in 500 years and possibly one in 250 years.

Tip: Whenever you see some number of tons of greenhouse gases, convert it to a percentage of 51 billion, which is the world’s current yearly total emissions (in carbon dioxide equivalents).

26. All the talk about global warming, and all the conferences, summits and protocols, have so far failed to curb global greenhouse gas emissions. If you look closely at the graph you see that emissions go down only during periods of economic crises and stagnation. Thus the small downturn in greenhouse emissions in 2008–9 was due not to the signing of the Copenhagen Accord, but to the global financial crisis. The only sure way to stop global warming is to stop economic growth, which no government is willing to do.

global greenhouse gas emissions is highly skewed: the top 10 percent of emitters—think of them as the global carbonistas living on every continent—generate around 45 percent of global emissions, while the bottom 50 percent of people contribute only 13 percent.

Another common recommendation is to turn lights off when you leave a room, but lighting accounts for only 3% of household energy use, so even if you used no lighting at all in your house you would save only a fraction of a metric ton of carbon emissions. Plastic bags have also been a major focus of concern, but even on very generous estimates, if you stopped using plastic bags entirely you'd cut out 10kg CO2eq per year, which is only 0.4% of your total emissions. Similarly, the focus on buying locally produced goods is overhyped: only 10% of the carbon footprint of food comes from transportation whereas 80% comes from production, so what type of food you buy is much more important than whether that food is produced locally or internationally. Cutting out red meat and dairy for one day a week achieves a greater reduction in your carbon footprint than buying entirely locally produced food. In fact, exactly the same food can sometimes have higher carbon footprint if it's locally grown than if it's imported: one study found that the carbon footprint from locally grown tomatoes in northern Europe was five times as great as the carbon footprint from tomatoes grown in Spain because the emissions generated by heating and lighting greenhouses dwarfed the emissions generated by transportation.

For all the attention lavished on other sources of greenhouse gases such as aviation or deforestation, the production of cement generates more CO2 than those two sectors combined. Cement production accounts for a staggering 7–8 per cent of all carbon emissions.

What is this food in my head, anyway? Let’s see...it’s green and good for you and so delicious. It’s prepared by angels with love. The minute you bite into it, it’s savory, chewy, nourishing, and whole- some. You feel instantly revitalized. A small, tiny amount, just a few bites, rejuvenates every cell, deepens your breath, clears your mind, heals your wounds, and mends your heart. It’s made from joyous plants that voluntarily separate themselves from their stalks, laying themselves at the feet of the approaching gardener who gathers them. They eagerly offer their vital energies to nourish living spirits. The angels in their chef hats, singing mantras, cook it tenderly to retain all the benefits of the generous plants. It’s barely sweet, barely salty, and contains all the freshness of spring herbs, summer fruit, spreading leaves, and burgeoning seeds. It comes premade in bags or boxes...you just open it up, sit down, and enjoy. It’s a full meal, enough maybe for a whole day, maybe for a week, maybe for your family, maybe for your friends and neighbors. It multiplies like loaves and fishes, in little biodegradable containers that vaporize instantly the moment you finish them, without any greenhouse emissions. Nothing to clean up!

Crutzen wrote up his idea in a short essay, “Geology of Mankind,” that ran in Nature. “It seems appropriate to assign the term ‘Anthropocene’ to the present, in many ways human-dominated, geological epoch,” he observed. Among the many geologic-scale changes people have effected, Crutzen cited the following: • Human activity has transformed between a third and a half of the land surface of the planet. • Most of the world’s major rivers have been dammed or diverted. • Fertilizer plants produce more nitrogen than is fixed naturally by all terrestrial ecosystems. • Fisheries remove more than a third of the primary production of the oceans’ coastal waters. • Humans use more than half of the world’s readily accessible fresh water runoff. Most significantly, Crutzen said, people have altered the composition of the atmosphere. Owing to a combination of fossil fuel combustion and deforestation, the concentration of carbon dioxide in the air has risen by forty percent over the last two centuries, while the concentration of methane, an even more potent greenhouse gas, has more than doubled. “Because of these anthropogenic emissions,” Crutzen wrote, the global climate is likely to “depart significantly from natural behavior for many millennia to come.

First, as a branch of the United Nations, the IPCC is itself an intensely political and not a scientific body. As its chairman, Dr Rajendra Pachauri observed in an interview with the Guardian newspaper: We are an intergovernmental body and we do what the governments of the world want us to do. If the governments decide we should do things differently and come up with a vastly different set of products we would be at their beck and call.10 To boot, the IPCC charter requires that the organisation investigates not climate change in the round, but solely global warming caused by human greenhouse emissions, a blinkered approach that consistently damages all IPCC pronouncements.

Tony Blair, who held the presidency of the G8 in 2005, spent the months leading up to that year’s summit trying to convince Bush that, in his words, “the time to act is now.” It’s plain, Blair said in an address devoted to climate change, that “the emission of greenhouse gases … is causing global warming at a rate that began as significant, has become alarming, and is simply unsustainable in the long-term. And by ‘long-term’I do not mean centuries ahead. I mean within the lifetime of my children certainly; and possibly within my own. And by ‘unsustainable,’ I do not mean a phenomenon causing problems of adjustment. I mean a challenge so far-reaching in its impact and irreversible in its destructive power, that it alters radically human existence.

Yet a third of the food raised or prepared does not make it from farm or factory to fork. That number is startling, especially when paired with this one: Hunger is a condition of life for nearly 800 million people worldwide. And this one: The food we waste contributes 4.4 gigatons of carbon dioxide equivalent into the atmosphere each year—roughly 8 percent of total anthropogenic greenhouse gas emissions.

One consequence, presumably unintended, of America’s failure to ratify the Kyoto Protocol has been the emergence of a not-quite-grassroots movement. In February 2005, Greg Nickels, the mayor of Seattle, began to circulate a set of principles that he called the “U.S. Mayors Climate Protection Agreement.” Within four months, more than a hundred and seventy mayors, representing some thirty-six million people, had signed on, including Mayor Michael Bloomberg of New York; Mayor John Hickenlooper of Denver; and Mayor Manuel Diaz of Miami. Signatories agreed to “strive to meet or beat the Kyoto Protocol targets in their own communities.” At around the same time, officials from New York, New Jersey, Delaware, Connecticut, Massachusetts, Vermont, New Hampshire, Rhode Island, and Maine announced that they had reached a tentative agreement to freeze power plant emissions from their states at current levels and then begin to cut them. Even Governor Arnold Schwarzenegger, the Hummer collector, joined in; an executive order he signed in June 2005 called on California to reduce its greenhouse gas emissions to 2000 levels by 2010 and to 1990 levels by 2020. “I say the debate is over,” Schwarzenegger declared right before signing the order.

Gender equality cannot be addressed independently of protecting nature. Nor can protecting nature ever by truly sustainable without addressing gender inequality. Gender equality is not a consequence of a restored planet. It is not something to be addressed after we manage to slow greenhouse gas emissions. The rights of women and the protection of nature go hand in hand with a sustainable future - they are integrally connected.

Another side effect of fertilization that is receiving more attention is the generation of nitrous oxide by bacterial decomposition of nitrates. Not only is N2O a greenhouse gas but, on a hundred-year time scale, it has a nearly three hundred times higher global warming potential than carbon dioxide, the dominant greenhouse gas. But because of its relatively small emissions, N2O is responsible for only about 6 percent of recent anthropogenic greenhouse gas emissions.

Hence there are many things that governments, corporations and individuals can do to avoid climate change. But to be effective, they must be done on a global level. When it comes to climate, countries are just not sovereign. They are at the mercy of actions taken by people on the other side of the planet. The Republic of Kiribati – an islands nation in the Pacific Ocean – could reduce its greenhouse gas emissions to zero and nevertheless be submerged under the rising waves if other countries don’t follow suit. Chad could put a solar panel on every roof in the country and yet become a barren desert due to the irresponsible environmental policies of distant foreigners. Even powerful nations such as China and Japan are not ecologically sovereign. To protect Shanghai, Hong Kong and Tokyo from destructive floods and typhoons, the Chinese and Japanese will have to convince the Russian and American governments to abandon their ‘business as usual’ approach.

They emit too many greenhouse gases. Well-managed cattle can be a net carbon sink, but even in a system where there are slight emissions, the nutritional gains and the added environmental benefits of cattle (increased biodiversity, better water-holding capacity, breaking down nonnutritive foods and converting them into a nutrient-rich source of protein and fats) far outweigh the 2 percent global emissions, especially compared to other less nutritious yet higher-emission-producing foods like rice.

According to the UN, the livestock sector is responsible for 18 percent of greenhouse gas emissions, around 40 percent more than the entire transport sector — cars, trucks, planes, trains, and ships — combined. Animal agriculture is responsible for 37 percent of anthropogenic methane, which offers twenty-three times the global warming potential (GWP) of CO2, as well as 65 percent of anthropogenic nitrous oxide, which provides a staggering 296 times the GWP of CO2. The most current data even quantifies the role of diet: omnivores contribute seven times the volume of greenhouse gases that vegans do.

Organic farming is environmentally friendlier to every acre of land. But it requires _more_ acres. The trade-off is a harsh one. Would we rather have pesticides on farmland and nitrogen runoffs from them? Or would we rather chop down more forest? How much more forest would we have to chop down? If we wanted to reduce pesticide use and nitrogen runoff by turning all of the world’s farmland to organic farming, we’d need about 50 percent more farmland than we have today. Nobel Prize winner Norman Borlaug, whose work helped triple crop yields over the last fifty years and arguably saved billions from starvation, estimates that the world would need an _additional_ 5 to 6 billion head of cattle to produce enough manure to fertilize that farmland. There are only an estimated 1.3 billion cattle on the planet today. Combined, we’d need to chop down roughly half of the world’s remaining forest to grow crops and to graze cattle that produce enough manure to fertilize those crops. Clearing that much land would produce around 500 billion tons of CO2, or almost as much as the total cumulative CO2 emissions of the world thus far. And the cattle needed to fertilize that land would produce far _more_ greenhouse gases, in the form of methane, than all of agriculture does today, possibly enough to equal all human greenhouse gases emitted from all sources today. That’s not a viable path.

It is a myth that the free market breaks down national barriers. The free market does not threaten national sovereignty, it undermines democracy. As the disparity between the rich and the poor grows, the fight to corner resources is intensifying. To push through their 'sweetheart deals', to corporatize the crops we grow, the water we drink, the air we breathe, and the dreams we dream, corporate globalization needs an international confederation of loyal, corrupt, authoritarian governments in poorer countries to push through unpopular reforms and quell the mutinies. Corporate globalization - or shall we call by its name? Imperialism - needs a press that pretends to be free. It needs courts that pretend to dispense justice. Meanwhile, the countries of the north harden their borders and stockpile weapons of mass destruction. Afterall, they have to make sure that it is only money, goods, patents, and services that are globalized. Not a respect for human rights. Not international treaties on racial discrimnation or chemical and nuclear weapons or greenhouse gas emissions or climate change or - God forid - justice. So this - all this - is Empire. This loyal confederation, this obscene accumulation of power, this greatly increased distance between those who make the decisions and those who have to suffer them. Our fight, our goal, our vision of another world must be to eliminate that distance. So how do we resist Empire?

We had been growing sweet potatoes under the greenhouse gas levels predicted for the next several hundred years, the levels that we’re likely to see if we, as a society, do nothing about carbon emissions. The potatoes grew bigger as carbon dioxide increased. This was not a surprise. We also saw that these big potatoes were less nutritious, much lower in protein content, no matter how much fertilizer we gave them. This was a bit of a surprise. It is also bad news, because the poorest and hungriest nations of the world rely on sweet potatoes for a significant amount of dietary protein. It looks as if the bigger potatoes of the future might feed more people while nourishing them less. I don’t have an answer for that one. The

We are rapidly approaching a number of tipping points, beyond which even a dramatic drop in greenhouse gas emissions will not be enough to reverse the trend and avoid a worldwide tragedy. For example, as global warming melts the polar ice sheets, less sunlight is reflected back from planet Earth to outer space. This means that the planet absorbs more heat, temperatures rise even higher and the ice melts even faster. Once this feedback loop crosses a critical threshold it will gather an irresistible momentum, and all the ice in the polar regions will melt even if humans stop burning coal, oil and gas. Hence it is not enough that we recognise the danger we face. It is critical that we actually do something about it now. (page 77)

RENEWABLE ENERGY REVOLUTION: SOLAR + WIND + BATTERIES In addition to AI, we are on the cusp of another important technological revolution—renewable energy. Together, solar photovoltaic, wind power, and lithium-ion battery storage technologies will create the capability of replacing most if not all of our energy infrastructure with renewable clean energy. By 2041, much of the developed world and some developing countries will be primarily powered by solar and wind. The cost of solar energy dropped 82 percent from 2010 to 2020, while the cost of wind energy dropped 46 percent. Solar and onshore wind are now the cheapest sources of electricity. In addition, lithium-ion battery storage cost has dropped 87 percent from 2010 to 2020. It will drop further thanks to the massive production of batteries for electrical vehicles. This rapid drop in the price of battery storage will make it possible to store the solar/wind energy from sunny and windy days for future use. Think tank RethinkX estimates that with a $2 trillion investment through 2030, the cost of energy in the United States will drop to 3 cents per kilowatt-hour, less than one-quarter of today’s cost. By 2041, it should be even lower, as the prices of these three components continue to descend. What happens on days when a given area’s battery energy storage is full—will any generated energy left unused be wasted? RethinkX predicts that these circumstances will create a new class of energy called “super power” at essentially zero cost, usually during the sunniest or most windy days. With intelligent scheduling, this “super power” can be used for non-time-sensitive applications such as charging batteries of idle cars, water desalination and treatment, waste recycling, metal refining, carbon removal, blockchain consensus algorithms, AI drug discovery, and manufacturing activities whose costs are energy-driven. Such a system would not only dramatically decrease energy cost, but also power new applications and inventions that were previously too expensive to pursue. As the cost of energy plummets, the cost of water, materials, manufacturing, computation, and anything that has a major energy component will drop, too. The solar + wind + batteries approach to new energy will also be 100-percent clean energy. Switching to this form of energy can eliminate more than 50 percent of all greenhouse gas emissions, which is by far the largest culprit of climate change.

Even the most recent IPCC report, dire as it is, spells out solutions of a sort. There are ways to mitigate things, there are ways to fix them. Ban fossil fuels. Stop eating meat and dairy; according to an IPCC report from 2014, animal agriculture contributes at least as much to global greenhouse gas emissions as the combined exhaust of all the world’s vehicles. What’s that you say? Too difficult? Can’t switch to an oil-free economy overnight? Okay, here’s something that’s effective, simple, and as convenient as a visit to the nearest outpatient clinic: stop breeding. Every child you squeeze out is a Godzilla-sized carbon bootprint stretching into the future—and after all, isn’t 7.6 billion of us enough? Are your genes really that special? If even half the men on the planet got vasectomies, I bet we could buy ourselves a century—and as an added bonus, child-free people not only tend to have higher disposable income than the sprogged, they’re also statistically happier.

ethanol may actually make some kinds of air pollution worse. It evaporates faster than pure gasoline, contributing to ozone problems in hot temperatures. A 2006 study published in the Proceedings of the National Academy of Sciences concluded that ethanol does reduce greenhouse gas emissions by 12 percent relative to gasoline, but it calculated that devoting the entire U.S. corn crop to make ethanol would replace only a small fraction of American gasoline consumption. Corn farming also contributes to environmental degradation due to runoff from fertilizer and pesticides. But to dwell on the science is to miss the point. As the New York Times noted in the throes of the 2000 presidential race, ―Regardless of whether ethanol is a great fuel for cars, it certainly works wonders in Iowa campaigns. The ethanol tax subsidy increases the demand for corn, which puts money in farmers‘ pockets. Just before the Iowa caucuses, corn farmer Marvin Flier told the Times, ―Sometimes I think [the candidates] just come out and pander to us, he said. Then he added, ―Of course, that may not be the worst thing. The National Corn Growers Association figures that the ethanol program increases the demand for corn, which adds 30 cents to the price of every bushel sold. Bill Bradley opposed the ethanol subsidy during his three terms as a senator from New Jersey (not a big corn-growing state). Indeed, some of his most important accomplishments as a senator involved purging the tax code of subsidies and loopholes that collectively do more harm than good. But when Bill Bradley arrived in Iowa as a Democratic presidential candidate back in 1992, he ―spoke to some farmers‖ and suddenly found it in his heart to support tax breaks for ethanol. In short, he realized that ethanol is crucial to Iowa voters, and Iowa is crucial to the presidential race.

Environmental pollution is a regressive phenomenon, since the rich can find ways of insulating themselves from bad air, dirty water, loss of green spaces and so on. Moreover, much pollution results from production and activities that benefit the more affluent – air transport, car ownership, air conditioning, consumer goods of all kinds, to take some obvious examples. A basic income could be construed, in part, as partial compensation for pollution costs imposed on us, as a matter of social justice. Conversely, a basic income could be seen as compensation for those adversely affected by environmental protection measures. A basic income would make it easier for governments to impose taxes on polluting activities that might affect livelihoods or have a regressive impact by raising prices for goods bought by low-income households. For instance, hefty carbon taxes would deter fossil fuel use and thus reduce greenhouse gas emissions and mitigate climate change as well as reduce air pollution. Introducing a carbon tax would surely be easier politically if the tax take went towards providing a basic income that would compensate those on low incomes, miners and others who would lose income-earning opportunities. The basic income case is especially strong in relation to the removal of fossil fuel subsidies. Across the world, in rich countries and in poor, governments have long used subsidies as a way of reducing poverty, by keeping down the price of fuel. This has encouraged more consumption, and more wasteful use, of fossil fuels. Moreover, fuel subsidies are regressive, since the rich consume more and thus gain more from the subsidies. But governments have been reluctant to reduce or eliminate the subsidies for fear of alienating voters. Indeed, a number of countries that have tried to reduce fuel subsidies have backed down in the face of angry popular demonstrations.

This terrifying experiment has already been set in motion. Unlike nuclear war—which is a future potential—climate change is a present reality. There is a scientific consensus that human activities, in particular the emission of greenhouse gases such as carbon dioxide, are causing the earth’s climate to change at a frightening rate.7 Nobody knows exactly how much carbon dioxide we can continue to pump into the atmosphere without triggering an irreversible cataclysm. But our best scientific estimates indicate that unless we dramatically cut the emission of greenhouse gases in the next twenty years, average global temperatures will increase by more than 3.6ºF, resulting in expanding deserts, disappearing ice caps, rising oceans and more frequent extreme weather events such as hurricanes and typhoons.8 These changes in turn will disrupt agricultural production, inundate cities, make much of the world uninhabitable, and send hundreds of millions of refugees in search of new homes.9 Moreover, we are rapidly approaching a number of tipping points, beyond which even a dramatic drop in greenhouse gas emissions will not be enough to reverse the trend and avoid a worldwide tragedy. For example, as global warming melts the polar ice sheets, less sunlight is reflected back from planet Earth to outer space. This means that the planet absorbs more heat, temperatures rise even higher, and the ice melts even faster. Once this feedback loop crosses a critical threshold it will gather an unstoppable momentum, and all the ice in the polar regions will melt even if humans stop burning coal, oil, and gas. Therefore it is not enough that we recognize the danger we face. It is critical that we actually do something about it now. Unfortunately, as of 2018, instead of a reduction in greenhouse gas emissions, the global emission rate is still increasing. Humanity has very little time left to wean itself from fossil fuels. We need to enter rehab today. Not next year or next month, but today. “Hello, I am Homo sapiens, and I am a fossil-fuel addict.

To make matters even worse, Texas is also the leading producer of cattle in the country. As a result, greenhouse gas emissions, or carbon dioxide, released during the agriculture process is higher in Texas than any other state. Research has also found that the methane released from cow belches is another factor that’s contributing to global warming.

If population matters, distribution matters just as much because extremes of inequality push humanity beyond both sides of the Doughnut’s boundaries. Thanks to the scale of global income inequality, responsibility for global greenhouse gas emissions is highly skewed: the top 10 percent of emitters—think of them as the global carbonistas living on every continent—generate around 45 percent of global emissions, while the bottom 50 percent of people contribute only 13 percent.

far from being a closed, circular loop, the economy is an open system with constant inflows and outflows of matter and energy. The economy depends upon Earth as a source—extracting finite resources such as oil, clay, cobalt and copper, and harvesting renewable ones such as timber, crops, fish and fresh water. The economy likewise depends upon Earth as a sink for its wastes—such as greenhouse gas emissions, fertiliser run-off and throwaway plastics. Earth itself, however, is a closed system because almost no matter leaves or arrives on this planet: energy from the sun may flow through it, but materials can only cycle within it.

Besides, making electricity accounts for only 27 percent of all greenhouse gas emissions. Even if we had a huge breakthrough in batteries, we would still need to get rid of the other 73 percent.

there is a conspiracy among some politicians and some of the IPCC leaders to get international agreements to regulate greenhouse gas emissions no matter what the science says.

The notion that climate should remain the same over time is at the core of much of the recent discussion in the public square. Change—including fully natural climate revolutions and more frequent and moderate climate shifts—is understandably frightening. We naturally shy away from it. That’s why it’s actually comforting to believe the message of extreme environmentalists in recent years. Their argument is that we humans are in the process of destroying the world as we know it through our production of greenhouse gases, that we are the sole cause of current climate change. From that premise it follows that if we slash emissions of carbon dioxide greatly enough climate will stop changing. That’s actually reassuring compared to the view offered to us by the Earth herself. The fact is, if human beings had remained hunter-gatherers throughout our entire history, never producing a single molecule of greenhouse gases through agriculture or industry, climate today would still be changing. It would be lurching toward higher temperatures, crashing toward vastly colder temperatures, or at least swinging toward something different from what has been. That’s just the nature of Earth’s climate. It’s not to our liking, and it’s not to say we should do nothing about curtailing greenhouse gas emissions, but surely we must look the basic acts of natural change in the face if we are to have useful policy debates in the public square.

Realization 2. It will become painfully apparent that mitigation is not going to succeed. The whirlwind is coming anyway. Currently imaginable efforts to reduce greenhouse gas emissions do not level off at the desired 450 parts per million (ppm) of CO 2 in the atmosphere, nor at 550 ppm, and probably not even at 650 ppm.

We might encourage investigating nuclear propulsion on commercial ships, the current source of 4 percent of greenhouse gas emissions—double the amount generated by airplane traffic.

The three broad strategies for dealing with climate change are mitigation, adaptation, and amelioration. Mitigation, cutting back on greenhouse gas emissions, has been called avoiding the unmanageable. Adaptation, then, is managing the unavoidable—moving coastal populations to higher ground, developing drought-tolerant agriculture, preparing for masses of climate refugees, and keeping resource warfare localized. And amelioration is adjusting the nature of the planet itself through large-scale geoengineering.

It is Sustainable Energy: Without the Hot Air (2009), by David MacKay (pronounced “ma-KIE”), who is a Cambridge physicist and chief scientist for Britain’s Department of Energy and Climate Change. The book provides ruthless analysis, winningly told and illustrated, of what it will take for Great Britain to reduce its greenhouse gas emissions enough to make a difference to climate. As in the analyses by his ally Saul Griffith, the needed measures are horrifying to contemplate in aggregate, but they can get the job done. A quote of his that has gone viral is, “I’m not trying to be pro-nuclear, I’m just pro-arithmetic.

The bottom line: Advanced production systems need not produce noxious emissions, greenhouse gases, or toxic wastes, and could meet zero-tolerance emission regulations at little cost.

The recent science has looked more closely at the implications of all greenhouse gases not being the same. There is more explicit recognition that zero net emissions can be achieved through a combination of zero emissions for long-lived gases (carbon dioxide) and stable emissions for short-lived gases (methane).

But, as it turned out, that didn’t really happen. In the three decades since, global carbon emissions have nearly doubled. More than half of all the greenhouse gases emitted since the start of the Industrial Revolution have spewed from exhaust pipes and smokestacks since 1988.

The ominous realities of climate change forced a shift in my perspective. Each year, it seemed, the prognosis worsened, as an ever-increasing cloud of carbon dioxide and other greenhouse gases—from power plants, factories, cars, trucks, planes, industrial-scale livestock operations, deforestation, and all the other hallmarks of growth and modernization—contributed to record temperatures. By the time I was running for president, the clear consensus among scientists was that in the absence of bold, coordinated international action to reduce emissions, global temperatures were destined to climb another two degrees Celsius within a few decades. Past that point, the planet could experience an acceleration of melting ice caps, rising oceans, and extreme weather from which there was no return.

All told, fertilizers were responsible for roughly 1.3 billion tons of greenhouse gas emissions in 2010, and the number will probably rise to 1.7 billion tons by mid-century

By far the largest human influence on the climate system, and the one nearly all climate policy has focused upon, is the emission of greenhouse gases.

The most significant human-caused greenhouse gases influencing the climate are carbon dioxide (CO2) and methane (CH4). Their concentrations in the atmosphere are increasing because we’re emitting them; that’s why efforts to reduce human influences on the climate focus on reducing emissions.

Carbon dioxide is the single human-caused greenhouse gas with the largest influence on the climate. But it is of greatest concern also because it persists in the atmosphere/surface cycle for a very long time. About 60 percent of any CO2 emitted today will remain in the atmosphere twenty years from now, between 30 and 55 percent will still be there after a century, and between 15 and 30 percent will remain after one thousand years.7 The simple fact that carbon dioxide lasts a long time in the atmosphere is a fundamental impediment to reducing human influences on the climate. Any emission adds to the concentration, which keeps increasing as long as emissions continue. In other words, CO2 is not like smog, which disappears a few days after you stop emissions; it takes centuries for the excess carbon dioxide to vanish from the atmosphere. So modest reductions in CO2 emissions would only slow the increase in concentration but not prevent it. Just to stabilize the CO2 concentration, and hence its warming influence, global emissions would have to vanish.

One person’s reduction is a tiny drop in a vast ocean of human greenhouse gas emissions. If directly reducing global emissions were my main motivation, I’d find it depressing, like trying to save the world all by myself. Instead, I reduce for three much better reasons. First, I enjoy living with less fossil fuel. I love biking, I love growing food, and I love being at home with my family instead of away at conferences. Less fossil fuel has meant more connection with the land, with food, with family and friends, and with community. If through some magic spell, global warming were to suddenly and completely vanish, I’d continue living with far less fossil fuel.2 Second, by moving away from fossil fuel, I’m aligning my actions with my principles. Burning fossil fuel with the knowledge of the harm it causes creates cognitive dissonance, which can lead to feelings of guilt, panic, or depression. Others might respond to this cognitive dissonance with cynicism, or perhaps by denying that fossil fuels are harmful. But I find that a better option is simply to align action to principle. Finally, I believe personal reduction does help, indirectly, by shifting the culture. I’ve had countless discussions about the changes I’ve made, and I’ve seen many people around me begin to make similar changes in their own lives. By changing ourselves, we help others envision change. We gradually shift cultural norms.

Consider what it took to achieve this 5 percent reduction. A million people died, and tens of millions were put out of work. To put it mildly, this was not a situation that anyone would want to continue or repeat. And yet the world’s greenhouse gas emissions probably dropped just 5 percent, and possibly less than that. What’s remarkable to me is not how much emissions went down because of the pandemic, but how little.

Major shifts in Earth’s climate are the norm, not the exception, in the Quaternary, which includes dozens of glacial to interglacial transitions. Earth was also significantly warmer during the Eemian, the last interglacial interval before the Holocene, which ended about 115,000 years ago. The relatively stable and moderate interglacial temperatures of the Holocene therefore stand out as an island of climate stability within a sea of extremes. If Earth’s climate system were to leave this relatively stable state, there is every reason to believe that the consequences might be catastrophic both to human societies and to non-human life as we know it. No industrial or even agricultural society has ever experienced climate shifts like those common before the Holocene. And greenhouse gas emissions and climate change are far from the only Earth system alterations that have accelerated since the 1950s.

In the 1990 election campaign both Labour and National parties adopted ambitious targets to reduce greenhouse gas emissions. The country at that point was near carbon-neutral, with sources of emissions balanced by forestry which s3equestered the carbon. However, in the coming decade emissions would skyrocket as New Zealanders drove more; trucks replaced rail and shipping for freight; coal and gas were increasingly burnt for electricity; vast swathes of the country’s farms and wetlands were converted to dairy farming; and coal was used to convert that milk to powder for export. The National government spent the 1990s anguishing over what tool to use to reduce emissions and ended up doing nothing. Labour came in in 1999, signed up to the Kyoto Protocol and announced a carbon tax, but set it so far in the future that coalition politics eventually killed it. Meanwhile, every year, NZ’s net emissions increased from cars, cows and coal. Labour took climate pollution out of the RMA, relying on voluntary commitments and technological wishes… By 2008 NZ’s emissions were 25% higher than they had been in 1990.

Should I have a child, their greenhouse gas emissions will cause roughly fifty square meters of sea ice to melt every year that they are alive.

2. What’s Your Plan for Cement? If you’re talking about a comprehensive plan for tackling climate change, you need to consider everything that humans do to cause greenhouse gas emissions.

The reason the world emits so much greenhouse gas is that—as long as you ignore the long-term damage they do—our current energy technologies are by and large the cheapest ones available. So moving our immense energy economy from “dirty,” carbon-emitting technologies to ones with zero emissions will cost something.

To contain the problem, it’s essential for water levels to be closely monitored and managed. Shallow flooding, together with nitrogen and organic matter management, can limit this seesaw effect and reduce greenhouse gas emissions up to 90 percent.

Due to its outsize impact in trapping heat in our atmosphere, nitrous oxide is an especially noxious greenhouse gas. Though present in relatively small quantities, it accounts for 5 percent of total global emissions.

If the world’s 1 billion cows were a country, they’d rank third in greenhouse gases after China and the United States. Accounting for nearly two thirds of total livestock emissions, beef and dairy cattle dwarf the climate threat from all other farm animals combined, including pigs, chickens, lambs, goats, and ducks.

More than 75 percent of farmland is dedicated to raising and feeding animals for our food supply. Yet these animals supply only 37 percent of our global protein and just 18 percent of our global calories. Aside from their considerable impact on greenhouse gas emissions, they’re an underperforming, inefficient food source.

What we need is an approach that’s more degradable yet still scalable. Chemists are coming closer with a polymer called polylactic acid, or PLA. Fabricated from corn or tapioca plant starch, PLA is sturdy—it feels like a normal plastic cup. But it cuts greenhouse gas emissions by 75 percent as compared to traditional plastics. What’s the catch? The polymer is biodegradable only in specialized industrial composting facilities, where it takes ten to twelve weeks to break down, limiting its utility. In a conventional landfill, or if dumped into the ocean, it struggles to decompose.

In 2006, a landmark UN report highlighted meat's environmental impact, concluding that it accounted for 30% of the planet's land and 18% of greenhouse emissions, more than all vehicles, ships, and planes combined.

Fair allocation of the remaining atmospheric space has proven to be a futile exercise no matter the formula. A fair outcome is not viable as long as we pursue it from a mindset of scarcity and competition. The state of the planet no longer allows for this mindset because we have reached existential scarcity: limits to the survival of many of the ecosystems that sustain us and that help to maintain safe greenhouse gas levels in the atmosphere. If the Amazon is destroyed, carbon emissions will rise so high that the entire planet, not only Brazil, will suffer the consequences. Likewise, if the Arctic permafrost thaws, not only will the countries surrounding the North Pole suffer, but so will the whole Earth. We are all in the same boat. A hole at one end of the boat does not mean that only the occupants sitting there will drown. We all win or lose together.

Denial is always interesting because often the object of denial acts as a giant red, neon arrow accompanied by a klaxon alerting one to underlying issues. America is in denial about global warming because they are disproportionately responsible for the emission of greenhouse gasses. The British are in denial about their loss of empire because their pride cannot bear their irrelevance. The Chinese are in denial about human rights, because their economic success is founded on disregarding them. As for the French, well, it would probably be easier to list the things they aren’t in denial about.

Food production is responsible for one-quarter of the world’s greenhouse gas emissions; it uses half of the world’s habitable land, 70% of the world’s freshwater withdrawals, and the leading driver of biodiversity loss.

The facts have been piling up for decades. They become more elaborate, and more concerning, with each passing year. And yet for some reason we have been unable to change course. The past half-century is littered with milestones of inaction. A scientific consensus on anthropogenic climate change first began to form in the mid-1970s. The first international climate summit was held in 1979, three years before I was born. The NASA climate scientist James Hansen gave his landmark testimony to the US Congress in 1988, explaining how the combustion of fossil fuels was driving climate breakdown. The UN Framework Convention on Climate Change (UNFCCC) was adopted in 1992 to set non-binding limits on greenhouse gas emissions. International climate summits – the UN Congress of Parties – have been held annually since 1995 to negotiate plans for emissions reductions. The UN framework has been extended three times, with the Kyoto Protocol in 1997, the Copenhagen Accord in 2009, and the Paris Agreement in 2015. And yet global CO2 emissions continue to rise year after year, while ecosystems unravel at a deadly pace. Even though we have known for nearly half a century that human civilisation itself is at stake, there has been no progress in arresting ecological breakdown. None. It is an extraordinary paradox. Future generations will look back on us and marvel at how we could have known exactly what was going on, in excruciating detail, and yet failed to solve the problem.

Even if the world were to reduce greenhouse gas emissions quickly, elevated levels of carbon dioxide already in the atmosphere – up from 270 parts per million before the industrial revolution to 420 parts per million today – will keep global temperatures high for centuries. Slow processes like melting ice masses, thawing tundra and rising sea levels are in effect irreversible once they begin. There are signs that some tipping points may have been breached already. What humans have done and will do over the century 1950 to 2050 will change the way the Earth functions for many thousands of years.

The vast majority of scientists agree that temperature averages have increased slightly in the last 150 years and that man-made greenhouse gas emissions have contributed to some of that rise. What many don’t agree on is how much humans are contributing or how serious a threat this poses.

on reducing greenhouse gas emissions, not meeting the demand for its product. The new five-year plan released in 2020, which included “input from shareholders,” was a step toward a fundamental rethinking of the company’s business model. Exxon agreed to cut future capital spending by billions of dollars, but activists still weren’t happy,

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analysis for the proposed Keystone XL pipeline downplays the significance the pipeline would have for development of the Canadian tar sands, according to a new analysis from a United Kingdom-based group. The analysis also argues that the State Department underestimated the amount of greenhouse gas emissions that would come with that development. The Carbon Tracker Initiative, a

respectively. These directives will allow for systematic greenhouse gas emission management in the future. Other green bro

the global food system now accounts for between 19 and 29 percent of world greenhouse gas emissions.

energy shortage have made the reduction of greenhouse gas emissions and energy saving two crucial imperatives for countries world

The problems facing America have become much more complex over time, and the political class lacks the capacity to deal with them. The problems are global, interconnected across many areas of politics and policy, and often highly technical. The climate change challenge, for example, involves agriculture (both as a source of greenhouse gas emissions and as a highly vulnerable sector), electricity generation and distribution, federal and private land use, transportation, urban design, nuclear power, disaster risk management, climate modeling, international financing, public health, and global negotiations. Could one imagine a problem less easily handled by a layman Congress operating on a two-year election cycle? The

There is an extraordinary irony in government efforts to promote more rational and sustainable forms of behaviour in individuals in economies which are dominated by the imperative to make profit through capital accumulation, and which are inevitably addicted to unsustainable growth. Too much of the practice literature ignores political economic matters mediating practices. As Tim Jackson and others have shown, the idea of a green capitalism, in which growth of output is ‘de-coupled’ from greenhouse gas emissions, is an impossible dream. I shall therefore argue that practice approaches need to consider political economic matters.

Having spent the better part of my life for the past several decades trying to learn from experts on the climate crisis and working with technology and policy innovators to develop solutions for the unprecedented challenge humanity faces, I have never been more hopeful. At this point in the fight to solve the climate crisis, there are only three questions remaining: Must we change? Can we change? Will we change? In the pages that follow, you will find the best available evidence supporting the overwhelming conclusion that the answer to the first two of these three questions is a resounding “Yes.” I am convinced that the answer to the third question—“Will we change?”—is also “Yes,” but that conclusion, unlike the answer to the first two questions, is in the nature of a prediction. And in order for that prediction to come true, there must be a continued strengthening of the global consensus embodied in the Paris Agreement of December 2015, in which virtually every nation on Earth agreed to take concerted action to reduce net greenhouse gas emissions to zero as early in the second half of this century as possible.

What is the Paris Climate Agreement? 195 countries signed a pledge to keep global temperature rise below 2°C (3.6°F), and, if possible, below 1.5°C (2.7°F). All countries agree to reduce global greenhouse gas emissions to net zero as soon as possible in the second half of the century. The U.S. pledged to reduce greenhouse gas emissions by 26 to 28 percent below 2005 levels by 2025. India aims to install 175 gigawatts of renewable energy capacity by 2022. China will peak its CO2 emissions by 2030. Developed countries will provide $100 billion in climate finance by 2020. Countries should raise the ambition of their initial commitments over time to make sure we meet the goals of the Paris Agreement. The Paris Agreement entered into force on November 4, 2016.

(This of course would be laughable were it not for the fact that the country’s largest timber company, Sierra Pacific Industries, successfully demanded that the CO2 sequestered in its “wood products” be counted by the state of California as saved carbon when tallying up the company’s greenhouse gas emissions.

It magnifies your carbon footprint. If you cut back your animal food intake, you can make a big impact on planet Earth. Each year we eat billions of pounds of meat and drink billions of gallons of dairy products from billions of animals. In doing so, we not only contribute to inhumane animal practices, but we are responsible for the use of large amounts of chemical pesticides and fertilizers to produce animal feed, as well as large volumes of water and fuel to take animals to market. Byproducts of animal food production include greenhouse gas emissions, toxic manure lagoons, deforestation, and pollution of groundwater, rivers, streams, and oceans. According to a recent analysis conducted by CleanMetrics for the Environmental Working Group, greenhouse gas emissions generated by conventionally raising lamb, beef, cheese, pork, and farmed salmon—from growing the animals’ food to disposing of the unused food—far exceed those from other food choices like lentils and beans.26

I am very proud that, since 2014, Sweden now tracks quarterly greenhouse gas emissions (the first and still the only country to do so). This is Factfulness in action...Climate change is way too important a global risk to be ignored or denied, and the vast majority of the world knows that.

Some of the world’s largest corporations and richest people have organized and supported front groups whose role is to slag climate science and resist regulation, just as they did in response to the science that laid the foundation for regulating lead, asbestos, smoking, and other toxic substances and behaviors. They pursue this strategy because it works. Delayed regulation translates into greater profits, and no one goes to jail for lying to the American public about the risks of greenhouse gas (GHG) emissions, smoking, or toxic chemicals.

Since the signing of the Framework Convention on Climate Change (FCCC) at the Rio Earth Summit in 1992, abating greenhouse gas (GHG) emissions has been regarded as an urgent global responsibility.2 GHGs linger in the atmosphere for decades, centuries, and even longer. When this is coupled with the fact that their impacts are mediated through various complex systems, the result is that climate change is practically irreversible on the timescales that most of us care about.

It's already happening. After falling for years, California's greenhouse gas emissions rose 1.7 percent in 2012, pushed up by the drought and the closure of the San Onofre nuclear plant in San Diego County. The state has not yet released emissions data for 2013. Experts say a sustained drought wouldn't prevent California from reaching its climate change goals. Instead, years of dry weather would force energy providers to find new strategies - ones that would likely cost more. In addition to being clean, hydropower tends to be cheap. "It makes things harder," said Victor Niemeyer, program manager for greenhouse gas reductions at the Electric Power Research Institute. "If there's less hydro, the power has to come from somewhere. You have to burn more gas, and that costs more money, all things considered.

Production of concrete is the third largest contributor of greenhouse gas emissions after electrical power production and automobiles. Moreover, the process used today is essentially the same as that used 150 years ago. Since cement manufacture is responsible for about 5% of global energy use and greenhouse gas emissions, reducing energy requirements for concrete manufacture could have a significant impact on both energy and the environment.

Some of the world’s biggest banks and investor groups have swung behind a pledge to raise $200bn by the end of next year to combat climate change. In a move the UN said was unprecedented, leading insurers, pension funds and banks have joined forces to help channel the money to projects that will help poorer countries deal with the effect of global warming and cut reliance on fossil fuels. The announcement came at the start of a UN climate summit in New York aimed at bolstering momentum for a global agreement to lower planet-warming greenhouse gas emissions due to be signed in Paris at the end of 2015. “Change is in the air,” said UN secretary-general, Ban Ki-moon. “Today’s climate summit has shown an entirely new, co-operative global approach to climate change.” The summit opened with business and government pledges to make cities greener, create a renewable energy “corridor” in Africa and rein in the clearing of forests for palm oil plantations. The private sector’s contributions marked a “major departure” from past climate summits, the UN said, adding in a statement that financial groups “had never previously acted together on climate change at such a large scale”. One obstacle to the Paris agreement is developing countries’ insistence that richer nations must fulfil pledges made nearly five years ago to raise $100bn a year by 2020 for climate action.

If, as a society, we ate meat less, the world would indeed be a brighter and more beautiful place. Consider, for example, the impact on global warming. Gidon Eshel, a geophysicist at the Bard Center, and Pamela A. Martin, Assistant Professor of Geophysics at the University of Chicago, have calculated the benefits that would occur if Americans were to reduce beef consumption by 20 percent. Such a change would decrease our greenhouse gas emissions as substantially as if we exchanged all our cars and trucks for Priuses.

Under that deal, announced late last year, the U.S. agreed to cut its greenhouse gas emissions more steeply. China didn’t commit to any specific reductions, but said it would try to have its emissions peak by 2030 — giving it 15 more years of rising pollution.

The theory of man-made global warming and climate change based on human greenhouse gas emissions is the greatest international scientific fraud ever perpetrated on the world’s citizens!

Ben West, one of the effective altruists mentioned in chapter 4, has shown that even if your goal were solely to slow down climate change by reducing greenhouse gas emissions, you could do that more effectively by donating to organizations that are encouraging people to go vegetarian or vegan than by donating to leading carbon-offsetting organizations.