Arctic

Frog poking its head out from clump of Azolla ferns (Nigel Cattlin/Alamy Stock Photo)

Can this tiny fern save the world — again?

Scientists are trying to learn more about Azolla, a plant that might help reduce man-made climate change — but there are some challenges.
Person with boat in water at sunset (© AP Images)

Haunting melodies can help you hear climate change [video]

Music has always been a useful tool to raise awareness and prompt action on important issues, and global warming is no different. Listen to these sounds.
Beluga whales swimming (© AP Images)

Webcam whale research buoyed by viewers around the world

Scientists are crowdsourcing data to learn more about beluga whales, their social behaviors and how their environment is affected by climate change.
Close-up of Matthew Henson in fur coat and hood (Library of Congress)

Who is this pioneering Arctic explorer?

One of the first people to stand on top of the world "challenged the world's perceptions of what people of color were capable of achieving."

5 takeaways from the latest climate data [video]

Despite day-to-day weather fluctuations, the effects of climate change are becoming more clear. Learn why you should be concerned and what you can do.

When President Obama shared lunch with a grizzly bear

President Obama appeared on the TV show "Running Wild with Bear Grylls," where he encountered glaciers melting due to climate change and a wild bear.

Alaska: A ‘signpost for climate change’

President Obama found warmth, hospitality and the undeniable consequences of climate change on a trip to Alaska. He shared every step on social media.

Here’s why you need to care about Arctic melting [video]

Scientist Piers Sellers says the Arctic is melting fast, and you can already feel it.

Facing climate change, Alaskans embrace green energy

In remote communities in the U.S. Arctic where months pass without a sunrise, Alaskans are experiencing climate change and embracing green energy.