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wv_20110830.mp3The Keystone XL is a proposed 1,700-mile pipeline that would carry acidic crude oil from Canada’s Alberta tar sands to refineries a

The polar bear scientist who has spent more than a month suspended from his government job has now been told that he should report back to work on Friday — although NPR has learned that his job is changing and he will no longer manage federal contracts."Chuck is planning to go to work.

Brent Haddad studies water in a place where water is often in short supply: California.Haddad is a professor of environmental studies at the University of California, Santa Cruz.

The rise of fracking as a method for extracting natural gas from shale rock has triggered demand for a key ingredient in the process: silica sand.

NASA, the agency best known for exploring space, is trying to answer some urgent questions about air pollution right here on Earth.For much of July, the agency flew research planes between Washington, D.C. and Baltimore as part of a mission known as DISCOVER-AQ.

A program that brings mud dredged from Illinois rivers to communities for creating gardens is coming to two Chicago suburbs. State and local officials announced Monday that a series of community gardens will be created in Broadview and Maywood. Illinois Natural Resources Dir