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Environment & Energy

wendyb-NC

(4,167 posts)

1. Thank you for this info

Reply to NNadir (Original post)

Sun Mar 23, 2025, 11:40 AM

Mar 23

You make this easier to understand thank for all your time and expertise putting it together for ordinary people to understand. The graphs are so helpful, too. I have bookmarked and rec'd the post. Very good.

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New Weekly CO2 Concentration Record Set at the Mauna Loa Observatory, 428.38 ppm [View all] NNadir Mar 23 OP

Thank you for this info wendyb-NC Mar 23 #1

Thank you for your attention and kind words. n/t. NNadir Mar 23 #2

The 1990s-plausible goal of keeping the CO2 concentration under 400 ppm seems like it was just yesterday. n/t xocetaceans Mar 23 #3

No one now living will see 400 ppm again. Indeed, no one now living will ever see 420 ppm again. NNadir Mar 23 #4

Any ideas on how quickly 500 ppm can be "achieved"? What are the current long-term predictions for the curve's shape? xocetaceans Mar 24 #5

An estimate... NNadir Mar 24 #6

Thank you. xocetaceans Mar 24 #7

Correction: The predicted year using the quadratic for reaching 500 ppm.... NNadir Mar 25 #8

Did you happen to mean 2042 ? (I am supposing a transposition.) Thanks for checking out your spreadsheet. n/t xocetaceans Mar 25 #10

Late night typo. 2044. NNadir Mar 25 #11

Errata: Week 11 does not set the all time record for highest recording for CO2 concentration. Week 10... NNadir Mar 25 #9