global warming
Climate models predict that the rate of glacier loss will accelerate to 3000 per year by 2040, even if nations achieve their emission reduction targets. This could result in 79 percent of the world's glaciers vanishing by 2100 under current policies, threatening water supplies for billions and contributing to sea-level rise. Researchers emphasize the potential to save many glaciers by limiting warming to 2 degrees Celsius.
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A new study indicates that the Arctic will retain about 1.5°C of warming and excess precipitation even if atmospheric carbon dioxide returns to pre-industrial levels. Researchers used multiple climate models to predict these irreversible changes, driven largely by ocean heat absorption. This highlights the challenges of reversing regional climate impacts through carbon dioxide removal efforts.