NPR - A major new report by the United Nations finds that humans are not only making those journeys more difficult, but have put many migratory species in a perilous state. Nearly half of the world's already threatened migratory species have declining populations, the first of its kind UN report found. More than a fifth of the nearly 1,200 migratory species monitored by the UN – whales, sea turtles, apes, songbirds and others – are threatened with extinction.
CNN - Greenland has lost ice 36 times the size of New York Swaths of the country that were once covered in ice and snow have been transformed into wetlands or shrub areas. View photos here.
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