As people live longer, threats to wildlife increase

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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