Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
Neil de Grasse Tyson tells his own story of how a city kid became one of the nation’s few African-American astrophysicists. Today, he is director of the newly-renovated Hayden Planetarium in New York City. He’ll discuss his own career and the latest findings on the physics of the universe.
- Neil de Grasse Tyson author, astrophysicist, and director of the Hayden Planetarium in New York City
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