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Very cool: trees stalling effects of global heating in eastern US, study finds (www.theguardian.com)

submitted 7 months ago by MicroWave@lemmy.world to c/news@lemmy.world

13 comments fedilink hide all child comments

Vast reforestation a major reason for ‘warming hole’ across parts of US where temperatures have flatlined or cooled

Trees provide innumerable benefits to the world, from food to shelter to oxygen, but researchers have now found their dramatic rebound in the eastern US has delivered a further, stunning feat – the curtailing of the soaring temperatures caused by the climate crisis.

While the US, like the rest of the world, has heated up since industrial times due to the burning of fossil fuels, scientists have long been puzzled by a so-called “warming hole” over parts of the US south-east where temperatures have flatlined, or even cooled, despite the unmistakable broader warming trend.

A major reason for this anomaly, the new study finds, is the vast reforestation of much of the eastern US following the initial loss of large numbers of trees in the wake of European settlement in America. Such large expanses have been reforested in the past century – with enough trees sprouting back to cover an area larger than England – that it has helped stall the affect of global heating.

“The reforestation has been remarkable and we have shown this has translated into the surrounding air temperature,” said Mallory Barnes, an environmental scientist at Indiana University who led the research. “The ‘warming hole’ has been a real mystery and while this doesn’t explain all of it, this research shows there is a really important link to the trees coming back.”

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[–] Classy@sh.itjust.works 6 points 7 months ago (1 children)

less legal option

You also have the option of going around your city and neighborhoods clandestinely dumping seed bombs of local wildflowers and grass species

[–] JJROKCZ@lemmy.world 1 points 7 months ago (1 children)

Yea but idk how much those will attribute to climate cooling compared trees that provide lots of shade lol

[–] Classy@sh.itjust.works 1 points 7 months ago

Plant life in general absorbs heat and breathes out moisture, which cools the area and helps trees grow more robustly