A recent study published in Nature Climate Change has found that the warming Arctic region is not only releasing more carbon dioxide into the atmosphere, but also becoming a source of heat-trapping gas. The study analyzed data from the Arctic and boreal regions from 1990 to 2020, and found that while half of the region is becoming greener, only 12% of these areas are actually absorbing less carbon. In fact, 40% of the region is now a source of carbon dioxide. A separate study on lakes in West Greenland found that a record hot spell in 2022 caused 7,500 crystal blue lakes to turn brown as a result of melting tundra, leading to a rapid transformation of these lakes from carbon sinks to carbon sources. The study concludes that climate change is driving widespread and rapid transformations in the Arctic, with massive implications for the global environment.
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