Nancy Rabalais: The "dead zone" of the Gulf of Mexico

Ocean expert Nancy Rabalais tracks the ominously named "dead zone" in the Gulf of Mexico — where there isn't enough oxygen in the water to support life. The Gulf has the second largest dead zone in the world; on top of killing fish and crustaceans, it's also killing fisheries in these waters. Rabalais tells us about what's causing it — and how we can reverse its harmful effects and restore one of America's natural treasures.

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S2018E126 - Zachary R. Wood: Why it's worth listening to people you disagree with