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Urbanization, export crops drive deforestation http://apocadocs.com/s.pl?1265809663
The drivers of tropical deforestation have shifted in the early 21st century to hinge on growth of cities and the globalized agricultural trade, a new large-scale study concludes. The observations starkly reverse assumptions by some scientists that fast-growing urbanization and the efficiencies of global trade might eventually slow or reverse tropical deforestation. The study, which covers most of the world's tropical land area, appears in this week's early edition of the journal Nature Geoscience.... "The main drivers of tropical deforestation have shifted from small-scale landholders to domestic and international markets that are distant from the forests," said lead author Ruth DeFries, a professor at the Earth Institute's Center for Environmental Research and Conservation. "One line of thinking was that concentrating people in cities would leave a lot more room for nature. But those people in cities and the rest of the world need to be fed. That creates a demand for industrial-scale clearing."
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[Read more stories about:
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