Before 2005, when Oxford ecologist Norman Myers announced that there would be 25 million climate-fleeing migrants by 2012, there wasn’t the research to back it up. There was a steadily increasing stream of reports, sure, but according to what Koko Warner of the United Nations University and lead writer of several of those reports told me, there wasn’t “the scientific methodological research that there is today.”
Read the rest here.as published in Yes!.