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Environment & Energy

hatrack

(61,895 posts) Mon Dec 9, 2024, 08:30 AM Dec 9

2 replies

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Atmospheric CO2 Content November 2024; 424.86 ppm; November 2023 420.46 ppm; November 2022 417.47 ppm (Original Post) hatrack Dec 9 OP

Atmospheric CO2 was around 315 in 1957 surfered Dec 9 #1

That rate of increase is alarming -misanthroptimist Dec 9 #2

(5,222 posts)

1. Atmospheric CO2 was around 315 in 1957

Mon Dec 9, 2024, 09:20 AM

Dec 9

(1,257 posts)

2. That rate of increase is alarming

Mon Dec 9, 2024, 11:57 AM

Dec 9

Prior to the last few years, the rate as increasing at ~ 2ppm/yr. Now we have an increase of over 7ppm in just two years. Some point got tipped.