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A National Park Service report on Alaska's glaciers noted glaciers within Alaska national parks shrank 8% between the 1950s and early 2000s and glacier-covered area across the state decreased by ...
Examples of tipping points include thawing permafrost, which will release methane, a powerful greenhouse gas, or melting ice sheets and glaciers reducing Earth's albedo, which would warm the planet faster. Thawing permafrost is a threat multiplier because it holds roughly twice as much carbon as the amount currently circulating in the atmosphere.
If the Paris Agreement goal of staying below 2 °C (3.6 °F) is achieved, melting of Greenland ice alone would still add around 6 cm (2 + 1 ⁄ 2 in) to global sea level rise by the end of the century. If there are no reductions in emissions, melting would add around 13 cm (5 in) by 2100, [75]: 1302 with a worst-case of about 33 cm (13 in). [76]
Hog Butte Fire, Alaska, June 2022 Sign thanking firefighters, Deshka Landing Fire, 2019. In August 2016, the Environmental Protection Agency reported that "[o]ver the past 60 years, most of the state has warmed three degrees (F) on average and six degrees during winter" [1] As a result of this temperature increase, the EPA noted that "Arctic sea ice is retreating, shores are eroding, glaciers ...
Glaciers in the Juneau Icefield in southeastern Alaska are melting at a faster rate than previously thought and may reach an irreversible tipping point sooner than expected, according to a study ...
A new scientific study published Thursday suggests the world should start preparing to protect the ecosystems that emerge from under the disappearing ice, as a warming planet is inevitably causing ...
Whilst the Arctic region is one of many natural sources of the greenhouse gas methane, there is nowadays also a human component to this due to the effects of climate change. [2] In the Arctic, the main human-influenced sources of methane are thawing permafrost, Arctic sea ice melting, clathrate breakdown and Greenland ice sheet melting.
The melting of Alaska's Juneau icefield, home to more than 1,000 glaciers, is accelerating. The snow covered area is now shrinking 4.6 times faster than it was in the 1980s, according to a new study.