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A lot has changed since Copenhagen, however, which is why many big energy companies are paying close attention to the Paris talks. Several have sent executives to the New York summit, including China’s Sinopec. For one thing, the panic of the global financial crisis that was the backdrop to the Copenhagen conference has subsided, even if the recovery is not robust. For another, China has changed. The world’s biggest emitter of carbon dioxide was wary of committing itself to action on climate change in the Copenhagen talks. Now, a new leadership in Beijing is vowing to crack down on the coal pollution choking its cities, while the country has turned into the world’s biggest investor in renewable energy. China invested more in renewables than the whole of Europe in 2013, the first time this has happened. The Chinese total was $56bn, according to the UN, well ahead of Europe’s $48bn and the US’s $36bn.
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