Archive: 02/20/2012

NASA map sees Earth's trees in a new light

A NASA-led science team has created an accurate, high-resolution map of the height of Earth's forests. The map will help scientists better understand the role forests play in climate change and how their heights ...

Feb 20, 2012 5 / 5 (5) 3 | with audio podcast

Wood chips help curb nitrate leaching

(PhysOrg.com) -- Wood chips can significantly stem nitrate flow from crop fields into the surrounding watershed, according to a U.S. Department of Agriculture (USDA) study.

Feb 20, 2012 5 / 5 (1) 0