IE 11 is not supported. For an optimal experience visit our site on another browser.
Will we begin to fear the ocean? 07:35
Barrow, AK: The leading edge of climate change 06:52
The Vanishing Island 06:23
Conundrums of the California drought 05:41
Farming through a drought 07:12
Mayor Garcetti on adapting to historic drought 06:07
California braces for a historic fire season 06:15
The political battle over water in California 05:38
Should companies bottle water in a drought? 06:01
Who decides how to distribute water during a drought? 05:19
Can desalination solve California's water problems? 06:28
'The fact is, California is running out of water' 06:14
Al Gore on GOP climate denialism 08:18
Billionaire Tom Steyer on his climate activism 06:50 Now Playing
He's both a scientist and a politician 05:32 UP NEXT
Fires continue to rage in the West 02:10
Your introduction to 'shade balls' 06:22
White House Climate Adviser: ‘Sen. Manchin is not the enemy’ 06:46 He's both a scientist and a politician 05:32 Chris Hayes talks to the mayor of South Miami, Philip Stoddard, who is also a biology professor, about what it's like when most of your senior politicians are climate change deniers. Sept. 30, 2015
Read More UP NEXT
Will we begin to fear the ocean? 07:35
Barrow, AK: The leading edge of climate change 06:52
The Vanishing Island 06:23
Conundrums of the California drought 05:41
Farming through a drought 07:12