An unusual phenomenon happened in March and April when an enormous hole in the ozone layer formed over the Arctic. Last week, though, scientists tracking the hole noticed that it has closed, as CNN reported. Unlike the infamous hole in the ozone over Antarctica, which was caused by overuse of now illegal chemicals containing chlorofluorocarbons, […]
By Richard Connor Scientists have recorded Antarctica’s first documented heat wave, warning that animal and plant life on the isolated continent could be drastically affected by climate change. Australian Antarctic Program researchers recorded the heat wave event at Casey research station in East Antarctica during the 2019-2020 southern hemisphere summer. Findings by the team were […]
Emissions from the chlorofluorocarbons and hydrochlorofluorocarbons used as refrigerants and aerosols didn’t just burn a hole in the ozone layer. They also shifted the Southern Hemisphere’s jet stream south towards Antarctica. Now, a study published in Nature Wednesday found that the 1987 Montreal Protocol banning those substances wasn’t just successful in helping to repair the […]
Antarctica‘s Denman Canyon is the deepest gorge on the Earth’s surface, and, if the ice inside it melted, it could raise sea levels by almost five feet. Now, research published in Geophysical Research Letters Monday looked at how close that might be to happening and found that the glacier had retreated five kilometers (approximately three […]
Greenland experienced an unusually warm summer in 2019, which caused the world’s largest island to lose 600 billion tons of ice and raised sea levels by 0.2 of an inch, according to a NASA study released yesterday. That amount of ice loss more than doubled Greenland’s 2002-2019 annual average. The data comes from the joint […]
The polar ice caps are melting six times faster than they were in the 1990s, the most comprehensive look at the data to date has found. That data, compiled and analyzed by the Ice Sheet Mass Balance Intercomparison Exercise (IMBIE), puts the melting of Greenland and Antarctica‘s ice sheets on track with the worst-case-scenario prediction […]
The largest animal on Earth is proving that wildlife protections work. A team led by the British Antarctic Survey (BAS) recently reported the initial results of three years of expeditions to the sub-Antarctic island of South Georgia, an important summer feeding ground for whales that became a killing field when the whaling industry discovered it […]
The Antarctic region just recorded a temperature higher than 20 degrees Celsius (68 degrees Fahrenheit) for the first time. Brazilian scientists measured a temperature of 20.75 degrees Celsius (approximately 69.35 degrees Fahrenheit) on Seymour Island Feb. 9, one of the researchers told AFP Thursday. “We’d never seen a temperature this high in Antarctica,” Brazilian scientist […]
The climate crisis is taking a toll on Antarctica‘s chinstrap penguins. Scientists on a Greenpeace expedition to Antarctica found that the penguins’ numbers were falling, with one colony decreasing by 77 percent in nearly 50 years. This is especially surprising because, up until now, the chinstrap penguin has been considered a species of “least concern” […]
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