Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Environment & Energy

NNadir

(36,044 posts)

5. The March 2025 data is up today. It's "only" the 6th worst in 65 years, 2.77 ppm over 2024. March 2024 saw the worst...

Reply to hatrack (Reply #4)

Mon Apr 14, 2025, 06:43 PM

Apr 14

...increased month of any month in any year, 4.38 ppm over March of 2023.

March 2025 we're at 428.15 ppm, which is the highest reading ever for any monthly average; more to come in April and May.

We're doing swell. I'm so glad Eloon Musk saved us with his electric car.

The dailies this young week are over 430 ppm.

Edit history

Please sign in to view edit histories.

Recommendations

0 members have recommended this reply (displayed in chronological order):

7 replies

= new reply since forum marked as read

Highlight:

New Weekly CO2 Concentration Record Set at the Mauna Loa Observatory, 429.24 ppm [View all] NNadir Apr 13 OP

And this why Trump and Musk want to to shut down the Climate Observatory on Mauna Loa because... Botany Apr 13 #1

ESRL still hasn't provided March totals . . . hatrack Apr 13 #2

I am very uncertain that the Observatory will survive the orange mold in the White House. They hate science. NNadir Apr 13 #3

The other three trackers haven't been updated since November . . . hatrack Apr 13 #4

The March 2025 data is up today. It's "only" the 6th worst in 65 years, 2.77 ppm over 2024. March 2024 saw the worst... NNadir Apr 14 #5

I sit corrected - methane, nitrous oxide and sulfur hexaflouride just got updated - for December 2024 hatrack Apr 15 #6

It was, as you noted, late. Analytical chemistry at high sensitivity, accuracy, and... NNadir Apr 15 #7