Will the world’s drying lands get relief from COP17 in Mongolia?

Starting on Monday, about 10,000 government negotiators, scientists, journalists and campaigners will gather at a purpose-built venue in a national park in Mongolia’s capital Ulaanbaatar to discuss how to stop land turning into desert as the world warms.

Drought is currently sweeping much of the Northern hemisphere, leaving normally green urban parks looking like dry savannah, causing crops to fail, food prices to rise and billions to be shaved off economic output. 

On Wednesday, Britain's prime minister chaired an emergency meeting of the government's Cobra committee. These are usually reserved for wars, terrorist attacks, riots and pandemics - but th


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