Two years ago the world was shocked by pictures of hundreds of rotting fish floating in the world's largest river.
Stranded villagers stared in bewilderment at dried out banks, and helicopters delivered food and water to isolated river communities.
They were the images of the widespread drought in 2005 in the Amazon - an area of lush rainforest in most people's imagination. It was the worst in some areas since records began, and prompted the... [ Ampliar ]
The Amazon rainforest may be more resistant to rising temperatures than has been believed.
Researchers found that during the 2005 drought, many parts of the rainforest "greened", apparently growing faster.
This finding contrasts with some computer models of climate change, which forecast that the Amazon would dry out and become savannah.
Writing in the journal Science, the researchers say it is unclear how the forest would respond to a... [ Ampliar ]
Billions of people face shortages of food and water and increased risk of flooding, experts at a major climate change conference have warned.
The bleak conclusion came ahead of the publication of a key report by hundreds of international environmental experts.
Agreement on the final wording of the report was reached after a marathon debate through the night in Brussels.
People living in poverty would be worst affected by the effects of... [ Ampliar ]
Climate change is already affecting people across Africa and will wipe out efforts to tackle poverty there unless urgent action is taken, a report says.
Droughts are getting worse and climate uncertainty is growing, the research from a coalition of UK aid agencies and environmental groups says.
Climate change is an "unprecedented" threat to food security, it says.
It calls for a "climate-proof" model of development and massive emissions... [ Ampliar ]
US President George W Bush infuriated his critics by professing world leadership on climate change at his meeting of the top 16 world economies - while offering no new substantive policy and implicitly rejecting binding emissions controls.
Mr Bush, who has been sceptical of climate change, said at the forum in Washington that our understanding of the science had moved on.
He agreed that energy security and climate change were major... [ Ampliar ]
