 The Energy Secretary, Chris Huhne, will this week share a platform with Chinese ministers in an attempt to persuade other polluting countries to curb emissions. a new study reveals that though a global deal on climate change has faltered, individual countries including Brazil and Mexico have developed national legislation. The Chinese government has also pledged a 17 per cent cut in carbon intensity. The US is the only major country without federal legislation on global warming. a Whitehall source said: "We need the same commitment and focus from all countries." The next round of climate talks are in Durban in December.