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Sahara desert becoming green due to climate change

Source:  Copyright 2009, Asian News International
Date:  August 2, 2009
Original URL: Status ONLINE


Scientists are now seeing signals that the Sahara desert and surrounding regions are greening due to increasing rainfall, all thanks to the rising temperatures due to climate change. According to a report in National Geographic News, if sustained, these rains could revitalize drought-ravaged regions, reclaiming them for farming communities.This desert-shrinking trend is supported by climate models, which predict a return to conditions that turned the Sahara into a lush savanna some 12,000 years ago. The green shoots of recovery are showing up on satellite images of regions including the Sahel, a semi-desert zone bordering the Sahara to the south that stretches some 2,400 miles (3,860 kilometers). Images taken between 1982 and 2002 revealed extensive regreening throughout the Sahel, according to a new study in the journal Biogeosciences. The study suggests huge increases in vegetation in areas including central Chad and western Sudan. The transition may be occurring because hotter ...

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