Drought and climate change: an uncertain future?

ScienceDaily: Drought frequency may increase by more than 20% in some regions of the globe by the end of the 21st century, but it is difficult to be more precise as we don't know yet how changes in climate will impact on the world's rivers. The results come from a study, published in Proceedings of the National Academy of Sciences (PNAS), which examined computer simulations from an ensemble of state of the art global hydrological models driven by the latest projections from five global climate models used for......

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