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Clay Layers and Distant Pumping Trigger Arsenic Contamination in Bangladesh Groundwater

Clay Layers and Distant Pumping Trigger Arsenic Contamination in Bangladesh Groundwater

May 8, 2020
fundamental science   sustainability   water  

Widely considered a screen against contamination, clay layers may actually enhance arsenic leakage into some aquifers, a new Columbia-led study finds.

Scientists See Fingerprint of Warming Climate on Droughts Going Back to 1900

Scientists See Fingerprint of Warming Climate on Droughts Going Back to 1900

May 1, 2019
climate change   water  

In an unusual new study, Columbia scientists say they have detected a growing fingerprint of human-driven global warming on drought conditions across the world starting as far back as 1900.

America’s Water Infrastructure is Failing—But Here’s How We Could Start to Fix It

America’s Water Infrastructure is Failing—But Here’s How We Could Start to Fix It

May 8, 2018
sustainability   water  

A recent event hosted by the Columbia Water Center highlights the challenges and opportunities that the nation’s beleaguered water system presents.

New Study Shows Vegetation Controls the Future of the Water Cycle

New Study Shows Vegetation Controls the Future of the Water Cycle

April 3, 2018
climate response   water  

Columbia University researchers have found that vegetation plays a dominant role in Earth’s water cycle and that plants will regulate and dominate the increasing stress placed on continental water resources in the future.

Cape Town Water Crisis Highlights a Worldwide Problem

Cape Town Water Crisis Highlights a Worldwide Problem

February 8, 2018
climate response   water  

The water supply is running dry in Cape Town, South Africa. Upmanu Lall, director of the Columbia Water Center, explains the water shortage and why places in the U.S. could be at risk, too.

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