Climate models can’t explain 2023’s huge heat anomaly — we could be in uncharted territory (www.nature.com)

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[-] sinkingship@mander.xyz 13 points 7 months ago

From the article:

In 2020, new regulations required the shipping industry to use cleaner fuels that reduce sulfur emissions. Sulfur compounds in the atmosphere are reflective and influence several properties of clouds, thereby having an overall cooling effect. Preliminary estimates of the impact of these rules show a negligible effect on global mean temperatures — a change of only a few hundredths of a degree. But reliable assessments of aerosol emissions rely on networks of mostly volunteer-driven efforts, and it could be a year or more before the full data from 2023 are available.

this post was submitted on 03 Apr 2024

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