this post was submitted on 05 Feb 2025
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Summary

Renowned climate scientist James Hansen warns that limiting global warming to 2°C is no longer possible due to underestimated climate sensitivity and reduced sun-blocking pollution from ships.

His study suggests warming could hit 2°C by 2045, increasing extreme weather and accelerating ice melt. The research challenges IPCC models, arguing for a higher climate sensitivity estimate.

Hansen calls for carbon taxes, nuclear energy, and geoengineering research.

He warns of an Atlantic ocean current collapse within 20-30 years.

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[–] [email protected] 18 points 9 hours ago (1 children)

Not a shock. We have not done enough.

[–] [email protected] 6 points 7 hours ago

If your mean "we" as humanity, yes. If you mean "we" like you and me, then no.

The main responsible didn't do enough and that's not us.

Only a few decided to ignore all the warnings, so money could be made.