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supersquirrel@lemmy.ca to Climate@slrpnk.net ·
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1 day ago

Galápagos corals show El Niño events are more extreme now than in past 1,000 years – here’s how my team made the discovery

theconversation.com

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Galápagos corals show El Niño events are more extreme now than in past 1,000 years – here’s how my team made the discovery

theconversation.com

supersquirrel@lemmy.ca to Climate@slrpnk.net ·
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1 day ago
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Scientists went to the heart of the El Niño pattern to learn from living and fossil corals. The results show El Niño’s intensifying coincides with global warming.

A lot of great pictures, infographics and data visualizations on this one!

link to open access paper https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025GL119006

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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

Recommended actions to cut greenhouse gas emissions in the near future:

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