Guy swims the Gowanus, lives to tell the tale
Christopher Swain swam the Gowanus Canal-- a designated Superfund site – and talks about his experience with Chris Hayes.
Trump likely to ignore warnings on climate change04:29
White House, EPA thwart release of pollution study04:53
Future of clean energy moves ahead in Trump era05:27
China going green to restore blue sky03:54
A new role for a television star03:14
Bill Nye on Trump's climate orders: 'Clean coal is a myth'05:00