Study: Water shortages to be key environmental challenge of the century, Nasa warns

This article discusses the impact that climate change will have on fresh water. Freshwater supplies have already seriously declined in 19 global hotspots – from China to the Caspian Sea – due to overuse, groundbreaking study shows. There are a lot of good links in this article.

Water shortages are likely to be the key environmental challenge of this century, scientists from Nasa have warned, as new data has revealed a drying-out of swaths of the globe between the tropics and the high latitudes, with 19 hotspots where water depletion has been dramatic.

Areas in northern and eastern India, the Middle East, California and Australia are among the hotspots where overuse of water resources has caused a serious decline in the availability of freshwater that is already causing problems. Without strong action by governments to preserve water the situation in these areas is likely to worsen.

The comprehensive study, the first of its kind, took data from the NASA Grace (Gravity Recovery and Climate Experiment) satellite mission to track trends in freshwater from 2002 to 2016 across the globe.

 

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