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As people live longer, threats to wildlife increase
Posted by Mother Nature Network: Brian Bienkowski on October 31st, 2013
Mother Nature Network: As countries’ human life expectancy grows, so do their numbers of invasive and endangered species, according to a new study by University of California, Davis researchers. The researchers examined social, economic and ecological information for 100 countries to determine which factors are most strongly linked to endangered and invasive birds and mammals. Human life expectancy is rarely included in such studies but turned out to be the best predictor of invasions and endangerment in these countries,...
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Lake Michigan drowning in prescription drug waste
Posted by Mother Nature Network: Brian Bienkowski on September 6th, 2013
Mother Nature Network: Prescription drugs are contaminating Lake Michigan two miles from Milwaukee’s sewage outfalls, suggesting that the lake is not diluting the compounds as most scientists expected, according to new research. “In a body of water like the Great Lakes, you’d expect dilution would kick in and decrease concentrations, and that was not the case here,” said Dana Kolpin, a U.S. Geological Survey research hydrologist based in Iowa. It is not clear what, if any, effects the drugs are having on fish and other...