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18951
That is a neat little recycle program described in “New test traces underground forest carbon.” As fast as the CO2 comes out of the ground, the tree grabs the carbon by photosynthesis and leaves two oxygen atoms in the atmosphere. A portion of the carbon is stored until the wood rots or burns. Some carbon […]
- Earth
New test traces underground forest carbon
An unusual method of studying soil respiration by girdling trees may clear up several vital mysteries in the way carbon cycles through forests.
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18950
In the space of a single paragraph, you report that the National Academy of Sciences and the United Nations conclude that human activity “very likely” has caused global warming and that “uncertainties remain about the role of human-generated gas emissions.”
