Scientists know that wildland fire emissions play a significant role in the global carbon cycle and that its principal component – carbon dioxide – is a primary driver of climate change. But predicting and quantifying ...
Environment
Jun 5, 2014
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(Phys.org) —Carbon dioxide in the atmosphere may get the lion's share of attention in climate change discussions, but the biggest repository of carbon is actually underfoot: soils store an estimated 2.5 trillion tons of ...
Environment
Mar 31, 2014
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When a distant planet appears as a point of light in a telescope, it's hard to imagine what things are like at the surface. Does rain fall? Is the atmosphere thick, or dissipating into space? How constant is the sunlight ...
Astronomy
Mar 3, 2014
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More power needs to be put in the hands of local communities and decision makers if we are to avoid continued loss and degradation of the world's forests, scientists say.
Environment
Aug 19, 2013
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When the carbon dioxide content of the atmosphere rises, the Earth not only heats up, but extreme weather events, such as lengthy droughts, heat waves, heavy rain and violent storms, may become more frequent. Whether these ...
Earth Sciences
Aug 14, 2013
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(Phys.org) —Under elevated carbon dioxide levels, wetland plants can absorb up to 32 percent more carbon than they do at current levels, according to a 19-year study published in Global Change Biology from the Smithsonian ...
Environment
Jul 16, 2013
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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.
Environment
Jul 10, 2013
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When carbon is emitted by human activities into the atmosphere it is generally thought that about half remains in the atmosphere and the remainder is stored in the oceans and on land. New research suggests that human activity ...
Earth Sciences
Jun 10, 2013
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(Phys.org) —The Amazon rain forest, popularly known as the lungs of the planet, inhales carbon dioxide as it exudes oxygen. Plants use carbon dioxide from the air to grow parts that eventually fall to the ground to decompose ...
Earth Sciences
May 20, 2013
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(Phys.org) —It's a pressing question: How will the Earth's climate respond to future increases in atmospheric carbon dioxide (CO2)? Throughout geologic history, evidence of rapid, large-scale increases in atmospheric CO2 ...
Earth Sciences
Apr 4, 2013
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