Study: Half of Amazon Tree Species Could Become Extinct

More than half of the tree species in the Amazon, the world's most diverse forest, could become extinct if not protected from threats ranging from mining to climate-related fires and droughts, according to a study released Nov. 20 by Chicago's Field Museum. Some 36 percent to 57 percent of the Amazon's estimated 15,000 tree species probably qualify as “globally threatened” under International Union for Conservation of Nature criteria, said the study...
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