Amazon Rainforest to Face Climate Change Caused Dieback
If climate change leads to dieback of forests – the Amazon in particular – as many models are forecasting; there will be a surge in carbon dioxide. In conjunction with fossil fuel dependency, this may well push the Earth into inescapable positive feedback that makes the world largely uninhabitable for advanced societies. Climate and forests are the key to global ecological sustainability (ok, water and oceans too).
Amazon forest breathing uneasily
“In the Amazon, the vegetation dies back because there won't be enough rain,” explained climatologist Vicky Pope, detailing one of the most sophisticated studies yet — by Britain's Hadley Center — of what a warmer world would mean.
For South America's rain forests, such a “dieback” would mean steady decomposition of dead vegetation and the release into the atmosphere of massive amounts of carbon dioxide, the “greenhouse gas” that itself is blamed for much of climate change.