A labourer walks in front of a chemical factory in Xiangfan

 
A labourer walks in front of a chemical factory in Xiangfan
A labourer walks in front of a chemical factory in Xiangfan, central China's Hubei province October 7, 2007. Governments may need to step up the fight against global warming to a level beyond even the toughest existing goals to help safeguard the planet, the head of the U.N. climate panel said. Picture taken October 7, 2007. REUTERS/Stringer (CHINA) CHINA OUT