This month’s open thread. El Niño continues to build, annual mean temperatures are starting to become clear, sea ice is doing it’s thing, and NYC Climate Week has come and gone. Surely some fodder for constructive dialogue….? Please be respectful and concise.
Solutions
Unforced Variations: Sep 2026
Unforced Variations: Aug 2026

This month’s open thread on climate topics. The annual ranking horse race is in full swing, discussions of extreme weather abound, Arctic sea ice is reaching it’s annual minimum, and the future of evidence-based policy making seems dim. Oh well.
Unforced Variations: July 2026
Unforced Variations: June 2026
Unforced Variations: May 2026
This month’s open thread on climate topics. El Niño coming (shades of 2023), competitive predictions, ill-advised geo-engineering ideas, and massive shifts in renewable energy roll out. Surely something there to discuss…
Unforced Variations: Apr 2026
Unforced Variations: Mar 2026
EPA’s final* ruling on CO2
The EPA has announced its final* ruling on the CO2 Endangerment Finding.
*not even close to final.
[Read more…] about EPA’s final* ruling on CO2Unforced variations: Feb 2026
This month’s open thread about climate topics. Try to be substantive and respectful to other commenters.
Note: Comments that are abusive and/or repetitive to the point of tedium will be moderated. If you’ve made the same point ten times already in the thread, and people are still arguing with you, repeating it another ten times isn’t going to help.