World Population day was July 11, 2010. Did you even know that? Environmentalists and human rights advocates regularly point to a growing world population as a potential source of strife. But one environmental author doesn’t agree. Fred Pearce is an environmental and investigative journalist. His books include “Confessions of an Eco Sinner” and “PeopleQuake,” in which he argues the fears of a population explosion are overblown. His recent post on our Climate Desk partner site Grist sparked a sharp rebuttal from Robert Walker, executive vice president of the Population Institute. We invited them both to talk about the issue of population growth and its impact on climate change:
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