Monday, May 27, 2024

Ongoing Bad News

April was the eleventh consecutive month that set an all-time temperature record since data has been collected. The month was 1.58 degrees Celcius warmer that the 1850 to 1900 average. 

Last summer was also the warmest in the Northern Hemisphere in the past 2000 years.

Permafrost is thawing, the Thwaites glacier is heading toward collapse, the Amazon rainforest is under increasing stress, and the world's oceans having been setting temperature records for the past year.

The barrage of stories gets to be too much.

Update (June 28):  An article in Nature Geoscience discusses a possible tipping point for Antarctic ice sheets. Matthew Rosza explains:

British Antarctic Survey researchers discovered that warm ocean water is seeping beneath the Antarctic ice sheet at its so-called "grounding line," or the point at which the ice from a large body rises from the seabed and begins to float. When warm water moves under a grounding line, the ice melts at an accelerated pace and could pass a threshold where the body's ultimate collapse is inevitable. While this process occurs, sea levels will rise at a much faster rate than currently predicted, resulting in millions of people from coastal communities being displaced over the upcoming decades and centuries.

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