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Climate

Author Lester Brown explains climate change's impact on food security

As shifting weather patterns and weather-related disasters become more prevalent, food insecurity is a growing concern. During today's OnPoint, Lester Brown, president of the Earth Policy Institute and author of the updated book, "Plan B 4.0: Mobilizing to Save Civilization," explains why he believes food security is "the weak link" for our civilization. Brown also discusses recent worldwide progress on renewables, including solar, wind and geothermal energy.

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