The surge of people fleeing to Europe from the Middle East highlights how quickly mass migrations can occur. It may also offer a glimpse of what’s to come as climate change makes some regions around the world unlivable, according to a leading researcher on the human effects of climate change.
Frank Biermann, a professor of political science and environmental policy sciences at VU University Amsterdam, led researchers in the Netherlands five years ago in a study that warned there may be as many as 200 million climate refugees by 2050. That staggering number first arose out of research in 1995, and it has always been controversial. The study Biermann led in 2010 recommended the creation of an international resettlement fund for climate refugees.

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