Clearing a carbon catastrophe
We’re letting loose tons — literally — of carbon dioxide into our skies each day. And a good amount of that CO2 is finding its way into the ocean. Scientists from all over the world are rolling up their sleeves to try to avoid a global disaster.
Chris Martens is alarmed by the global disappearance of corals. To learn more, he lives at the bottom of the ocean on Conch Reef off Key Largo, Florida for up to 2 weeks at a time.