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Drought Drives Decade-Long Decline In Plant GrowthMissoula MT (SPX) Aug 26, 2010 Earth has done an ecological about-face: Global plant productivity that once flourished under warming temperatures and a lengthened growing season is now on the decline, struck by the stress of drought. NASA-funded researchers Maosheng Zhao and Steven Running, of the University of Montana in Missoula, discovered the global shift during an analysis of NASA satellite data. Compared with a six-percent increase spanning two earlier decades, the recent ten-year decline is slight, just one percent. The ... read more |
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Woods Hole MA (SPX) Aug 26, 2010Scientists at the Woods Hole Oceanographic Institution (WHOI) have detected a plume of hydrocarbons that is at least 22 miles long and more than 3,000 feet below the surface of the Gulf of Mexico, a residue of the BP Deepwater Horizon oil spill. In the study, which appears in the journal Science, the researchers measured distinguishing petroleum hydrocarbons in the plume and, using them as ... more  
Moffett Field CA (SPX) Aug 26, 2010If the world could make one major change that would stave off climate change, what would it be? Stanford University engineering scientist Mark Jacobson has the answer: get rid of black soot. The dense carbon particles are the result of incomplete combustion of a hydrocarbon from engines, forest fires, and power plants. Ever seen discolored walls above the baseboard of an electric heating u ... more  
Irvine CA (SPX) Aug 26, 2010Earthquakes have rocked the powerful San Andreas fault that splits California far more often than previously thought, according to UC Irvine and Arizona State University researchers who have charted temblors there stretching back 700 years. The findings, to be published in the Sept. 1 issue of Geology, conclude that large ruptures have occurred on the Carrizo Plain portion of the fault - a ... more |
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Limiting Ocean Acidification Under Global ChangeSouthampton, UK (SPX) Aug 26, 2010 Emissions of carbon dioxide are causing ocean acidification as well as global warming. Scientists have previously used computer simulations to quantify how curbing of carbon dioxide emissions would mitigate climate impacts. New computer simulations have now examined the likely effects of mitigation scenarios on ocean acidification trends. They show that both the peak year of emissions and post-peak reduction rates influence how much ocean acidity increases by 2100. Changes in ocean pH over subsequ ... read more |
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