20 February 2013

The Wilting “Green Revolution”

For the week of February 24th, 2013

Guest: Deepak Ray, research fellow at the University of Minnesota’s Institute on the Environment

Issues: The 20th century’s ‘Green Revolution,’ which lead to worldwide crop yield increases; Places where yields are declining or stagnating and what can be done to reverse it; Whether it might be unrealistic to expect future yields to keep up with a growing world population

Part 1


Part 1

Part 2


Part 2

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