this post was submitted on 01 Mar 2025
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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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China missed key climate target last year: official data (phys.org)
submitted 2 days ago* (last edited 2 days ago) by randomname@scribe.disroot.org to c/climate@slrpnk.net
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Cross posted from https://scribe.disroot.org/post/2064725

China missed a key climate target in 2024 and emissions in the world's second-largest economy rose slightly as coal remained dominant despite record renewable additions, official data showed Friday.

The figures mean the world's biggest emitter is off-track on a key commitment under the Paris climate agreement, analysts said.

Beijing's National Bureau of Statistics (NBS) said carbon intensity, which measures emissions of planet-warming carbon dioxide per unit of GDP, fell 3.4 percent in 2024—short of an official target of 3.9.

That also put the country well behind on its goal for an 18-percent reduction from 2020 to 2025.

The data showed carbon emissions rose slightly from last year, though far short of previous jumps, as experts speculate about whether China may have reached peak emissions ahead of a 2030 target.

Still, the data showed it will be "extremely hard" for China to meet a pledge to reduce carbon intensity by 65 percent of 2005 levels by 2030, said Lauri Myllyvirta, lead analyst at the Centre for Research on Energy and Clean Air.

"Even with optimistic assumptions for 2025, carbon dioxide intensity must fall by 22 percent in (the period) 2026-2030 to meet China's key Paris target," Myllyvirta said.

"This is a key test of China's commitment to its pledges under the agreement."

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[Edit typo.]

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