EnvironmentChina confirmed as source of illegal ozone-destroying chemicals Researchers have been puzzled by rising levels of trichlorofluoromethane (CFC-11), but a new study suggests the Chinese provinces of Shandong and Hebei are the source 51¶¯Âþ
VideoHow humans are shaping the planet: are we in the anthropocene? We have become a geological power leaving an indelible mark on Earth, but what does that mean for the future of our planet, asks climatologist Mark Maslin. Video