How to Stop Your Poop from Killing Corals | Overview

From PBS Terra.

Corals all over the world are threatened by warming ocean temperatures. But 30 years of data show that reefs off the Florida Keys could protect themselves from rising temperatures if they weren’t also dealing with nutrient pollution coming from land. What’s weakening these corals? Sewage. And there’s something we can do about it.

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Hosted by Joe Hanson from It’s Okay to be Smart, Overview uses incredible 4k drone footage to reveal the natural phenomena shaping our planet from a 10,000-foot view—literally.