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22nd April 2008 Quick
Sand
Georg Wohlfahrt of Universität Innsbruck, Austria, and colleagues
at the Desert Research Institute in Nevada, have revealed that desert
areas may act as important carbon sinks.
12th April 2008 Hell
and Hansen
James Hansen, of NASA's Goddard Institute, has said that the target
concentration of carbon dioxide in the atmosphere should be 350
parts per million - 30ppm less than the current level.
8th January 2008 Greenhouse
Grass
Ken Vogel and colleagues at the US Department of Agriculture have
reported that ethanol derived from switchgrass can cut carbon dioxide
emissions by over 90 percent compared to petrol.
11th November 2007 Greenhouse
Gain
The World Meteorological Office has revealed that greenhouse gas
concentrations are continuing to rise. Atmospheric concentrations
of carbon dioxide increased 0.5 percent in 2005.
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