(WattsUpWithThat) A study by scientists with the U.S. Forest Service, Harvard University and partners suggests that trees are responding to higher atmospheric carbon dioxide levels by becoming more efficient at using water.

The study, “Increase in forest water-use efficiency as atmospheric carbon dioxide concentrations rise,” was published on-line today in the journal Nature. Dave Hollinger, a plant physiologist with the U.S. Forest Service’s Northern Research Station, is a co-author with lead author Trevor Keenan of Harvard University and colleagues from The Ohio State University, Indiana University, and the Institute of Meteorology and Climate in Germany. The article is available at: http://www.nature.com/nature

“Working with others, the Forest Service is developing knowledge that is essential to maintaining healthy, sustainable forests in a changing climate,” said Michael T. Rains, Director of the Northern Research Station. “We are striving to be at the forefront of delivering sound climate science to the public.”

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