Antarctica & Arctic

"This Antarctic Octopus Has a Warning About Rising Sea Levels"

"Scientists have long wondered whether the West Antarctic Ice Sheet is a ticking time bomb in terms of sea level rise. New evidence from the DNA of a small octopus that lives in the Southern Ocean suggests that the ice sheet is indeed at risk of collapsing, according to a study published on Thursday in the journal Science."

Source: NYTimes, 12/22/2023

"Greenland’s Ice Shelves Hold Back Sea Level Rise. There Are Just 5 Left."

"The vast floating ice platforms of northern Greenland, unrivaled features of the Northern Hemisphere that keep our seas lower by holding back many trillion tons of ice, are in stark decline, according to new scientific research published Tuesday."

Source: Washington Post, 11/08/2023

Ozone Hole Is About Average Size, Despite Undersea Volcano Eruption

"With last year’s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn’t happen. Instead this year’s ozone hole was about average size for the last 20 years, even a bit smaller than 2022’s, according to NASA and the National Oceanic and Atmospheric Administration."

Source: AP, 11/02/2023

Factory Fishing In Antarctica For Krill Threatens A Fragile Ecosystem

"The Antarctic Endeavour glides across the water’s silky surface as dozens of fin whales spray rainbows from their blowholes into a fairy tale icescape of massive glaciers. But as a patrol of environmentalists approaches the Chilean super trawler in an inflatable boat, the cruder realities of modern industrial fishing come into view."

Source: AP, 10/17/2023

Trillions Of Tons Of Of Ice Melts From Many Protective Antarctic Ice Shelves

"Four dozen Antarctic ice shelves have shrunk by at least 30% since 1997 and 28 of those have lost more than half of their ice in that time, reports a new study that surveyed these crucial “gatekeepers’’ between the frozen continent’s massive glaciers and open ocean."

Source: AP, 10/13/2023

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