IE 11 is not supported. For an optimal experience visit our site on another browser.
  • UP NEXT

    California's largest lake on the brink of environmental disaster

    03:25
  • Can desalination solve California's water problems?

    06:28
  • Should companies bottle water in a drought?

    06:01
  • Who decides how to distribute water during a drought?

    05:19
  • Conundrums of the California drought

    05:41
  • Farming through a drought

    07:12
  • California braces for a historic fire season

    06:15
  • The political battle over water in California

    05:38
  • All In America: Tuscon

    07:35
  • This Is Big!

  • Has an era of 'clean coal' begun?

    04:29
  • Big Coal takes a page from Big Tobacco

    08:26
  • The war on the war on coal

    10:40
  • The Future of Energy

  • From the vault: The Legend of ‘Bloody Harlan’

    05:12
  • United Mine Workers prez and Chris Hayes spar

    17:20
  • Coal country in distress: Where to go from here?

    01:34
  • 'Coal is done in Appalachia'

    00:21
  • 'Trading off air pollution for water pollution'

    02:07
  • All in America: Coal Country

    00:52

The Hottest Year

26:31

2016 is on track to be the hottest year on record, and it’s having an impact on communities throughout the United States. All in traveled across the country this year, from Louisiana to Alaska to Florida, from remote villages to major cities, to see the effects of a warming planet on American lives right now.