arsenic
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Study Identifies Ways to Limit Arsenic Contamination From Mines
Certain treatments of mining waste can help prevent arsenic runoff from entering local water supplies, according to a new study.
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Interns Find Links Between Climate and Arsenic Levels in Rice
The research, from students working with the Center for Climate and Life, also identifies ways to potentially limit arsenic contamination in rice.
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Clay Layers and Distant Pumping Trigger Arsenic Contamination in Bangladesh Groundwater
Widely considered a screen against contamination, clay layers may actually enhance arsenic leakage into some aquifers, study finds.
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Arsenic Contamination is Common in Punjabi Wells, Study Finds
But there’s a pretty simple solution that could protect a lot of people.
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Battling ‘the Largest Mass Poisoning in History’
As many as one in five deaths in Bangladesh may be tied to naturally occurring arsenic in the drinking water; it is the epicenter of a worldwide problem that is affecting tens of millions of people. For two decades, health specialists and earth scientists from Columbia University have been trying to understand the problem, and…
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H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond
H. James Simpson, a geochemist who pioneered important studies of water pollutants in the Hudson River and abroad, died May 10. He had been affiliated with Columbia University’s Lamont-Doherty Earth Observatory for 50 years. The cause was Parkinson’s disease, said his family; he was 72.
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AGU 2014: Key Events from The Earth Institute
Scientists at Columbia University’s Earth Institute will present important talks at the Dec. 15-19 meeting of the American Geophysical Union, the world’s largest gathering of earth and space scientists. Here is a journalists’ guide in rough chronological order.
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Investigating Water Quality and Arsenic in Bangladesh
Postcard from the Field: Lamont-Doherty Earth Observatory graduate student Rajib Mozumder, who works with Lamont scientists Lex van Geen and Ben Bostick, has spent part of his summer drilling water wells and collecting samples in Bangladesh.
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Communities Participate to Lower Arsenic Exposure More Effectively in Bangladesh
There are more than 30 million people in Bangladesh at risk from arsenic contaminated water, which can cause health problems including thickening and hardening of the hands and feet, skin cancer, bladder cancer, lung cancer, vascular disease leading to gangrene, and diabetes. Columbia University scientists from the Mailman School of Public Health and Lamont-Doherty Earth…
