Another benefit of increased CO2 – trees use water more efficiently

July 11, 2013

Thank Gaea that Al Gore and the Church of Anthropogenic Global Warming are fighting the menace of… trees prospering with more CO2! The horror….

Watts Up With That?

Warmist, document thief, and water expert Peter Gleick must be terribly conflicted by this news from USDA.

Trees Using Water More Efficiently as Atmospheric Carbon Dioxide Rises

This flux tower extending above spruce and hemlock trees at the Howland Cooperative Research Forest in central Maine is contributing to long-term ecosystem studies supported by the DOE Office of Science and the USDA Forest Service`s Northern Research Station. This flux tower is located on land owned by the Northeast Wilderness Trust.  Photo by John Lee, University of Maine.DURHAM, NH, July 10, 2013 – 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:

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