Climate change has a dramatic impact on the global water cycle, say researchers

For Christoph Schär, ETH Zurich's Professor of Climate and Water Cycle, "global warming" is not quite accurate when it comes to describing the driver of climate change. "A better term would be 'climate humidification,'" he explains. "Most of the solar energy that reaches the Earth serves to evaporate water and thereby drives the hydrological cycle." Properly accounting for the implications of this is the most challenging task of all for climate modelers.

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