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- Feed Preview Global Warming – State of the Planet
Increase in West Antarctic Ice Sheet Melting Inevitable in 21st Century
Significant ocean warming and associated ice-shelf melting is unavoidable, even under the most ambitious future climate scenario, according to new research.
World Temperatures Will Blow Past Paris Goals This Decade, Asserts New Study
James Hansen warned the world in the 1980s that global warming was coming. Now, he is warning that it is barreling down even faster than expected.
Closing Out Climate Week: Why 2 Degrees is Too High for the Cryosphere
Experts say that snow and ice loss will create conditions beyond the limits of adaptation for billions of people if climate warming reaches 2 degrees Celsius.
Melting Ice and Rising Sea Levels: Why 2 Degrees Celsius Is Too High
At a United Nations Framework Convention on Climate Change side event in early June, representatives from several countries discussed the urgent need to address global loss of water and sea-level...
Montreal Protocol Is Delaying First Ice-Free Arctic Summer
New research from Columbia climate scientists shows that the 1987 ozone treaty, designed to protect the ozone layer, has postponed the occurrence of the first ice-free Arctic by as much as 15 yea...
In Continuing Trend, 2021 Tied for 6th Warmest Year on Modern Record
The past eight years are the warmest since modern record keeping began in 1880.
How Close Are We to Climate Tipping Points?
Will overshooting 1.5°C of warming push us over climate tipping points, triggering irreversible and abrupt changes?
https://news.climate.columbia.edu/2021/11/11/how-close-are-we-to-climate-tipping-points/
Scientists and Native People Jointly Study Sea-Ice Declines Threatening Seal Hunts
Seals have been a staple for the coastal village of Kotzebue for generations. Rapid changes in sea ice driven by ocean warmth are presenting a challenge for hunters.
More Carbon Emissions Will Kill More People. Here’s How Many.
Current methods to calculate the so-called social cost of carbon largely leave out how many future people our emissions will kill. This study tries to correct that.
Lamont-Doherty Earth Observatory: Milestones in Climate Science
Much of the modern understanding of climate change is underpinned by pioneering studies done at Columbia University's Lamont-Doherty Earth Observatory. Here's a timeline of significant studies.