Open borders, free trade, population growth, and wealth are all serious drivers for the spread of invasive species. Image credit: Kecko /Flickr The open borders of the European Union, it is argued, make the natural shift of populations&mash;from places with few jobs to those with more opportunities—a simpler prospect. Plant and animal species, of course, have never been bound by the political confines of national borders, but new research has shown that increases in human populations and the spread of wealth may be powerful driving forces in the spread of invasive species…. Read the full story on TreeHugger
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Moving On Up Means More Invasive Species
