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How Grazinglands Influence Greenhouse Gas

Study examines grasslands and grazing management impacts on global warming
Grazinglands represent one of the largest land resources in the world, yet their role as net sinks or sources of greenhouse gases is essentially unknown. Previous research has emphasized the role of grazing management on the sequestration of atmospheric carbon dioxide as soil organic carbon. However, there is a lack of information regarding how grazing management impacts the flux of two potent GHGs, nitrous oxide and methane.
A team of scientists lead by Mark Liebig at the USDA-ARS Northern Great Plains Research Laboratory estimated net global warming potential for three grazing management systems located in central North Dakota. The grazing management systems represented two native vegetation pastures …

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Consulting With Clouds: A Clear Role In Climate Change

Study in July 24 Science magazine shows strong evidence that cloud changes may exacerbate global warming
The role of clouds in climate change has been a major question for decades. As the earth warms under increasing greenhouse gases, it is not known whether clouds will dissipate, letting in more of the sun’s heat energy and making the earth warm even faster, or whether cloud cover will increase, blocking the Sun’s rays and actually slowing down global warming.
In a study published in the July 24 issue of Science, researchers Amy Clement and Robert Burgman from the University of Miami’s Rosenstiel School of Marine and Atmospheric Science and Joel Norris from Scripps Institution of Oceanography at UC San …

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