A new map has revealed a disturbing truth about drinking water in the US. Scientists found millions of Americans may be regularly exposed to dangerous levels of arsenic, which is a naturally occurring ...

Arsenic is a toxic element that is both naturally occurring in the Earth’s crust and artificially produced from agricultural and industrial processes. Arsenic can enter groundwater sources from rock ...

We encourage you to republish this article online and in print, it’s free under our creative commons attribution license, but please follow some simple guidelines: You have to credit our authors. You ...

Writing in the New York Times last week, Deborah Blum reviewed recent scientific research on a startling public health threat: naturally occurring arsenic that seeps into groundwater could be ...

In a new report, the U.S. Geological Survey estimates 2.1 million Americans use water wells with high levels of arsenic, a naturally occurring metal linked to cancer, cardiovascular disease, diabetes ...

"Arsenic is the number one environmental chemical for human health," Joshua Hamilton tells me during a recent phone call. We're talking about his latest research, ajust-published study in PLoS ONE ...

In the South Asian lowlands, high population density coincides with dangerous levels of arsenic in groundwater. Maps based on surface geology can help identify regions at risk of arsenic contamination ...