Japan imposes carbon tax
Hot data
Almost there
Kyoto Protocol awaits Russian Duma's approval
CO2 rising
At an ominous rate
Better be prepared
Climate change can have serious effects on crops
The rising
South Asia
Steep crisis
UNESCO asked to list Mount Everest as endangered
Rupert Murdoch turns green campaigner
Kidney stones tread north US
America thinks
War-like climate
Warming exacerbates conflict in Africa