NASA - National Aeronautics and Space Administration - Did you know that pests smaller than a penny could wipe out millions of trees?

Did you know that pests smaller than a penny could wipe out millions of trees in the Northeastern forests of the United States?

This is why we’ve developed a technology that helps the U.S. Forest Service understand the impacts of these pests, and monitor the health of trees in the area.

Details: http://go.nasa.gov/1hdl2YN