Climate change threatens mighty Ganges and Niger

Wednesday, April 22, 2009 - 03:21 in Earth & Climate

Some of the mightiest rivers on the planet, including the Ganges, the Niger, and the Yellow river in China, are drying up because of climate change, a study of global waterways warned yesterday.The study by the National Centre for Atmospheric Research in Colorado found that global warming has had a far more damaging impact on rivers than had been realised and that, overwhelmingly, those rivers in highly populated areas were the most severely affected. That could threaten food and water supply to millions of people living in some of the world's poorest regions, the study warned."In the subtropics this [decrease] is devastating, but the continent affected most is Africa," said NCAR's Kevin Trenberth. "The prospects generally are for rainfalls, when they do occur, to be heavier and with greater risk of flooding and with longer dry spells in between, so water management becomes much more difficult."The scientists examined recorded data...

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