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Supreme Court shuts out environmentalists
WASHINGTON, July 4 (UPI) -- The latest U.S. Supreme Court term was the worst one ever for environmentalis...
Genetically modified vines avoid virus
AACHEN, Germany, July 3 (UPI) -- Genetic engineering could make grapevines immune to a common virus that now r...
Old gene mutations may cause cancer today
BEERSHEBA, Israel, July 3 (UPI) -- Gene mutations that once helped humans evolve and survive could increase the ...
Fewer California sea otters reported
MONTEREY, Calif., July 3 (UPI) -- A decrease in California's endangered sea otter population likely means their...
No DNA link between Etruscans, Tuscans
FLORENCE, Italy, July 3 (UPI) -- Modern Tuscans show no genetic relationship to the Etruscans who occupied the...
Butterfly offers lessons in climate change
OXFORD, England, July 3 (UPI) -- The reintroduction of the Large Blue butterfly to Britain offers lessons in h...
Study: Climate change hurts carbon sinks
LONDON, May 21 (UPI) --
A British-led study has offered the first evidence climate change has weakened one of the Earth's natural carbon sinks. The four-year study by scientists from the British Antarctic Survey, the University of East Anglia, and the Max-Planck Institute for Biogeochemistry reveals an increase in winds over the Southern Ocean caused by greenhouse gases and ozone depletion has led to a release of stored CO2 into the atmosphere and is preventing further absorption of the greenhouse gas. Lead author Corinne Le Quere of UEA and BAS said: "This is the first time we've been able to say climate change itself is responsible for the saturation of the Southern Ocean sink. This is serious. All climate models predict that this kind of 'feedback' will continue and intensify during this century. "The Earth's carbon sinks -- of which the Southern Ocean accounts for 15 percent -- absorb about half of all human carbon emissions. With the Southern Ocean reaching its saturation point, more CO2 will stay in our atmosphere." The scientists said their findings suggest stabilization of atmospheric CO2 is even more difficult to achieve than previously thought. The study appears in the journal Science.
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