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World’s 1.5C climate target ‘deader than a doornail’, experts say (www.theguardian.com)

submitted 1 month ago by [email protected] to c/[email protected]

11 comments fedilink hide all child comments

The internationally agreed goal to keep the world’s temperature rise below 1.5C is now “deader than a doornail”, with 2024 almost certain to be the first individual year above this threshold, climate scientists have gloomily concluded – even as world leaders gather for climate talks on how to remain within this boundary.

Three of the five leading research groups monitoring global temperatures consider 2024 on track to be at least 1.5C (2.7F) hotter than pre-industrial times, underlining it as the warmest year on record, beating a mark set just last year. The past 10 consecutive years have already been the hottest 10 years ever recorded.

“The goal to avoid exceeding 1.5C is deader than a doornail. It’s almost impossible to avoid at this point because we’ve just waited too long to act,” said Zeke Hausfather, climate research lead at Stripe and a research scientist at Berkeley Earth. “We are speeding past the 1.5C line an accelerating way and that will continue until global emissions stop climbing.”

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[–] [email protected] 20 points 1 month ago (2 children)

These models always assume that direct carbon capture technologies will extract ridiculous amounts of the CO2 out of the atmosphere.

Also 3C will be devastating as is though. That's not including biodiversity loss, ocean acidification, and rising sea levels.

[–] [email protected] 1 points 2 weeks ago

Did you read the article?

Current models don't assume carbon capture technologies to remove CO2 from the atmosphere, they assume interactions with the oceans to remove CO2 from the atmosphere.

And yes, 3C will be devastating, but not doing anything will be more devastating, that's also what the article says. If all lower goals are out of reach we should still aim for 3C because 3C is a lot better than 4C. Saying a certain temperature is devastating is not a useful comment in a scenario where that is the only good option left.

We fucked up, now we must act based on the current situation.