IE 11 is not supported. For an optimal experience visit our site on another browser.
UP NEXT
NBC News NOW: Climate in Crisis with Al Roker 37:08
Climate In Crisis: TODAY donates 2 trees to Brooklyn garden 02:09
Climate In Crisis: How rising sea levels threaten US landmarks 04:11
Climate in Crisis: Impact of warming waters on East Coast 00:22
Climate In Crisis: Al Roker studies Greenland’s melting glaciers 03:59
Climate In Crisis: The changing sport of dog sledding 02:47
Lake Hopatcong in New Jersey reveals signs of climate change 04:26
These California residents are fighting climate change, 1 tree planting at a time 04:30
Climate in Crisis: Journey to Virginia’s disappearing island 02:30
Climate in Crisis: Lester Holt’s journey to Alaska 03:53
Climate in Crisis: Lester Holt’s up-close look at the effects of climate change in Alaska (Part 1) 02:51
Climate in Crisis: Lester Holt’s up-close look at the effects of climate change in Alaska (Part 2) 03:00
Climate in Crisis: Lester Holt reports from Portage Glacier 00:43
Rising temperatures have major impact on life in the Arctic Circle 02:42
How climate change is redefining life in the Arctic Circle (Part 1) 01:45
How climate change is redefining life in the Arctic Circle (Part 2) 02:52
Trump administration targets California with loosened emissions standards 01:19
Extreme weather dominates 2021 as Washington stalls on climate 01:54
Record-breaking West Coast heat wave catches climatologists off guard 02:57
Rep. Gohmert: Altering moon’s orbit ‘would have profound effects on our climate’ 02:27
Watch Greta Thunberg’s impassioned U.N. speech: ‘Change is coming whether you like it or not’ 03:48 While speaking at the United Nations, activist Greta Thunberg delivered an impassioned speech during the Climate Action Summit where she spoke about the dangers of climate change. Sept. 23, 2019
Read More UP NEXT
NBC News NOW: Climate in Crisis with Al Roker 37:08
Climate In Crisis: TODAY donates 2 trees to Brooklyn garden 02:09
Climate In Crisis: How rising sea levels threaten US landmarks 04:11
Climate in Crisis: Impact of warming waters on East Coast 00:22
Climate In Crisis: Al Roker studies Greenland’s melting glaciers 03:59
Climate In Crisis: The changing sport of dog sledding 02:47 
