Developed countries are preparing to relent on their demand that developing countries agree to long-term cuts in greenhouse gas emissions in a concession that could form the basis of a global deal on climate change.
The demand was one of five key elements rich countries wanted for a deal at the international climate change summit in Copenhagen in December. But major emerging economies, led by China and India, refused to sign up to it, worrying it could be used to force large and so far unquantified emission cuts on them in the future.
Governments on both sides of the Atlantic are now softening their call for a global target of halving emissions by 2050, in an attempt to build a consensus around a less ambitious deal in Copenhagen.
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