Meanwhile

Amazon rainforest 'could become a desert'

And that could speed up global warming with 'incalculable consequences', says alarming new research

By Geoffrey Lean in Manaus and Fred Pearce

Independent, 23 July 2006

The vast Amazon rainforest is on the brink of being turned into desert, with catastrophic consequences for the world's climate, alarming research suggests. And the process, which would be irreversible, could begin as early as next year.

As we report today on pages 28 and 29, the Amazon now appears to be entering its second successive year of drought, raising the possibility that it could start dying next year. The immense forest contains 90 billion tons of carbon, enough in itself to increase the rate of global warming by 50 per cent.

Dr Nepstead expects "mega-fires" rapidly to sweep across the drying jungle. With the trees gone, the soil will bake in the sun and the rainforest could become desert.

Dr Deborah Clark from the University of Missouri, one of the world's top forest ecologists, says the research shows that "the lock has broken" on the Amazon ecosystem. She adds: the Amazon is "headed in a terrible direction".