Ann Arbor (Informed Comment) – Jun-Young Park et al. write in Nature Communications that the collapse of the Arctic and Antarctic ice sheets may come sooner than climate scientists had expected if humanity misses the Paris Climate Treaty goal of keeping extra global heating to 2.7° F. (1.5° C ) above the pre-industrial average. Humanity […]
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Arctic
Do we Have Until 2050 to become Carbon Neutral? What if 27 Climate Feedback Loops are Working together to Shorten our Deadline?
Ann Arbor (Informed Comment) – Feedback loops are central notions in science. There are two kinds, negative and positive. Negative feedback loops, despite their name, are actually good if you are looking for stability. So for instance say you are too hot, so you sweat. The sweat evaporates, cooling you off. In fact, it could […]
Climate Crisis: Atmospheric rivers are hitting the Arctic more often, and increasingly melting its Sea Ice
By Pengfei Zhang, Penn State | – (The Conversation) – Atmospheric rivers, those long, powerful streams of moisture in the sky, are becoming more frequent in the Arctic, and they’re helping to drive dramatic shrinking of the Arctic’s sea ice cover. While less ice might have some benefits – it would allow more shipping in […]
‘Blue marble’: how half a Century of Climate Change has altered the Face of the Earth
By Robert Poole, University of Central Lancashire; Nick Pepin, University of Portsmouth, and Oliver Gruner, University of Portsmouth | – In December 1972, Nasa’s final Apollo mission (Apollo 17) took the iconic “Blue Marble” photo of the whole Earth. Many, including science fiction writer Arthur C. Clarke, had expected that the sight of Earth from […]
Why the Arctic turning into a Lukewarm Puddle should be a bigger Headline than a bit of Inflation
( Tomdispatch.com ) – Let me start 2023 with a glance back at a December news moment that caught my eye. To do so, however, I have to offer a bit of explanation. First, the obvious: I’m an old guy and, though I spend significant parts of any day scrolling through endless websites covering aspects […]
2022 Revealed how Major Arctic Climate Shifts endanger People, Ecosystems and Wildlife
By Matthew L. Druckenmiller, University of Colorado Boulder; Rick Thoman, University of Alaska Fairbanks; and Twila Moon, University of Colorado Boulder | – In the Arctic, the freedom to travel, hunt and make day-to-day decisions is profoundly tied to cold and frozen conditions for much of the year. These conditions are rapidly changing as the […]
3-Alarm Fire on Planet Earth: Current Climate Policies will Heat it by extra 5.4° F. (3C) by 2100, for 1st time in Millions of Years
Ann Arbor (Informed Comment) – William J. Ripple et al. writing in BioScience warn that we are deep into a climate emergency, which they call “code red on planet earth.” They point to the increased frequency and severity of weather-related disasters, producing “untold human suffering.” Human-driven global heating, especially in the Arctic, which is warming […]
What’s going on with the Greenland ice sheet? It’s losing ice faster than forecast and now irreversibly committed to at least 10 inches of sea level rise
By Alun Hubbard, University of Tromsø | – I’m standing at the edge of the Greenland ice sheet, mesmerized by a mind-blowing scene of natural destruction. A milewide section of glacier front has fractured and is collapsing into the ocean, calving an immense iceberg. Seracs, giant columns of ice the height of three-story houses, are […]
The Arctic is warming Four Times faster than the Global Average
By Daniel T Cross | – ( Sustainability Times ) – Climate change is upon us, but not all regions of the world are experiencing it at the same rate. Polar regions have especially been affected by warming temperatures and a new analysis of temperature rises in the Arctic shows just how much. An international […]