Arctic sea ice reaches record-low maximum extent for 3rd winter in a row

Arctic sea ice reaches record-low maximum extent for 3rd winter in...

Arctic sea ice has begun its annual melt after reaching a record-low winter maximum extent, scientists announced on Wednesday.The winter freeze-up peaked on March...
NASA’s temporary ice-observation mission is going stronger than ever

NASA’s temporary ice-observation mission is going stronger than ever

If Greenland’s ice sheet were to disappear entirely some day, it would reveal the world’s longest canyon, stretching northward some 750 kilometers (about 470...
Oceans storing up staggering amounts of heat – and it’s even more than thought

Oceans storing up staggering amounts of heat – and it’s even...

The world is getting warmer every year, thanks to climate change - but where exactly most of that heat is going may be a...
Arctic ice loss is driven by natural swings as well as human activity, study says

Arctic ice loss is driven by natural swings as well as...

OSLO — Natural swings in the Arctic climate have caused up to half the precipitous losses of sea ice around the North Pole in...
Despite warmer Arctic conditions and earlier plant growth, Alaska caribou avoiding food ‘mismatch’ problems

Despite warmer Arctic conditions and earlier plant growth, Alaska caribou avoiding...

On the tundra of northern Alaska, spring is coming earlier and plants are sprouting earlier, but migrating caribou are not missing out on the...
By 2030, half the world’s oceans could be reeling from climate change, scientists say

By 2030, half the world’s oceans could be reeling from climate...

More than half the world's oceans could suffer multiple symptoms of climate change over the next 15 years, including rising temperatures, acidification, lower oxygen...
The spread of woody shrubs into tundra landscapes could benefit some birds — at last in the short term

The spread of woody shrubs into tundra landscapes could benefit some...

As Arctic temperatures rise and shrubs spread northward into the tundra, many branch-perching birds are benefiting. But that benefit has a limit because, at...
Arctic sea ice may vanish even if world achieves climate goal, scientists say

Arctic sea ice may vanish even if world achieves climate goal,...

OSLO - Arctic sea ice may vanish in summers this century even if governments achieve a core target for limiting global warming set by...
Uncovering the mysteries of the North Slope’s lake trout could help scientists understand past Arctic climate trends

Uncovering the mysteries of the North Slope’s lake trout could help...

In early March up on the frozen Arctic Coastal Plain, as the wind sculpts snow into drifts, it’s hard to tell northern lakes from...
The mammoth’s last stand: How the Wrangel Island herd died off

The mammoth’s last stand: How the Wrangel Island herd died off

In a remote, mist-wrapped island north of the eastern tip of Siberia, a small group of woolly mammoths became the last survivors of their...