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#greenhousegases

7 posts6 participants2 posts today
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The #EndangermentFinding dates to 2009, when the #EPA concluded that planet-warming #GreenhouseGases pose a threat to #PublicHealth & so should be regulated under the #CleanAirAct. The #Obama & #Biden admins used that determination to set strict limits on greenhouse gas #emissions from cars, power plants & other industrial sources of #pollution.

But in July, the #Trump admin proposed to rescind the finding & contended that subsequent research had “cast significant doubt” on its accuracy.

There is stronger evidence than ever #GreenhouseGases are bad for us, the nation’s leading scientific advisory body said yesterday. Yet #Trump has proposed to cancel the govt’s 16-yr-old finding that #CO2 emissions endanger #PublicHealth. Doing so would mean the #EPA could no longer limit #emissions from cars or power plants.

The Trump admin once merely downplayed the threat of #GlobalWarming. Now it flatly denies the overwhelming scientific evidence of #ClimateChange.

nytimes.com/2025/09/17/climate

Homes in the shadow of Valero refinery towers in the Houston area.
The New York Times · Top Scientists Find Growing Evidence That Greenhouse Gases Are, in Fact, a DangerBy Brad Plumer

Traditional custodian readies for 'challenge' over North West Shelf extension
By Lauren Smith and Mya Kordic

Environment Minister Murray Watt approved the extension of Australia's biggest gas project last week.

abc.net.au/news/2025-09-15/tra

ABC News · Traditional custodian readies for 'challenge' over North West Shelf gas project extensionBy Lauren Smith

Weakening Gulf Stream System Could Unleash Global Chaos

In scenarios where greenhouse gas emissions remain high, the Atlantic Meridional Overturning Circulation (AMOC) could completely collapse sometime after the year 2100 bringing drier summers and far harsher winters in northwestern Europe, along with major changes to rainfall patterns in the tropics

scitechdaily.com/weakening-gul

#climateChange #globalWarming #climateDiary #greenhouseGases
#oceanography #GulfStream #AMOC

SciTechDaily · Weakening Gulf Stream System Could Unleash Global ChaosScientists warn that the Gulf Stream system could shut down after 2100, driving extreme winters, drying summers, and chaotic rainfall shifts.

Individual emitters triggered otherwise 'impossible' heatwaves: study
By Jacinta Bowler

Emissions from the 180 biggest carbon polluters directly contributed half of the total increase in heatwave intensity between the late 1800s and this century, a new study found.

abc.net.au/news/science/2025-0

ABC News · Quarter of heatwaves this century 'virtually impossible' without climate change, study findsBy Jacinta Bowler

"Despite thriving in warm tropical waters, a prolific phytoplankton that produces about one-fifth of Earth’s oxygen could be decimated by global heating. Prochlorococcus division rates sharply decline in temperatures above 28 ℃ [82.4 F]."

"They’re at the very base of the food web, and they feed everything else. When changes are being made to the planet that influence these particular organisms that are essentially feeding us, that’s going to have big consequences."

apnews.com/article/phytoplankt

Francois Ribalet, a research associate professor at the University of Washington's School of Oceanography, holds a vial of Prochlorococcus on Friday, Sept. 5, 2025, in Seattle. (AP Photo/Annika Hammerschlag)
AP News · Warming seas may halve key phytoplankton species’ population in tropical oceansBy Annika Hammerschlag

#CO#emissions per capita

This graph is instructive as it shows the main culprits in pumping #CarbonDioxide into the atmosphere. Historically, and now, the #UK (and #Europe), #Australia, #Canada and of course the #US have been by far the main culprits. It’s easy for deniers to point to #India and #China but they are latecomers to the problem.

ourworldindata.org/grapher/co-