Rodolphe Streichenberger's experimental reef of plastic, tired waste off California is cleaned up
Hundreds of used tires and plastic waste were deliberately dumped in 1998 in a (failed) attempt to help the ocean ecosystem.
Scientists just discovered that an Antarctic ice shelf is 'singing'01:03
Scenes from Hurricane Michael's destruction in the Florida Panhandle01:25
Next generation of firefighters trains to take on growing threat of wildfires01:47
Behind the accidental discovery helping coral grow in record time02:10
Rescuers search for survivors in Indonesia earthquake-tsunami disaster00:43
Young people sue federal government over inaction on climate change01:39