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What's causing Chile's 'megadrought'?

Drought has been a massive problem in Chile for a decade - but is it a result of natural weather patterns or climate change? Rene Garreaud, a Professor in the Geophysics Department at University of Chile and Deputy Director of the Center for Climate and Resilience Research, has been following the changes in rainfall.

(Image: Aerial view of a dried area of the Penuelas Lake, in Valparaiso, Chile. Credit: Getty Images.)

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2 minutes