Financial Times: George W. Bush, US president, bowed to pressure from other world leaders on climate change yesterday and agreed for the first time to a long-term target for cutting greenhouse gas emissions. The decision at the Group of Eight meeting of industrialised nations in Japan to set a goal of halving emissions by 2050, in line with scientific advice,is likely to be the US leader’s final contribution to the climate change debate. The G8 leaders agreed to “consider and adopt . . . the …