NASA Satellite Data Exposes a Hidden Global Water Crisis

In many water-stressed regions of the world, the signs are obvious. Just look at the dramatically shrunken Colorado River, or the parched riverbed of the Danube. Far less conspicuous is the global water crisis unfolding beneath our feet, though it is severe.

That’s according to a recent study published in the journal Proceedings of the National Academy of Sciences. The researchers analyzed NASA satellite data to map global trends in freshwater storage at high-resolution, revealing regions where human activities such…