this post was submitted on 11 Nov 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.

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As U.S. and E.U. Retreat on Climate, China Takes the Leadership Role (e360.yale.edu)
submitted 3 days ago by schizoidman@lemmy.zip to c/climate@slrpnk.net
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COP30 in Belém may well be remembered as the moment that the world accepted the leading role of China in addressing humanity’s most important challenge.

but now the E.U. is beset by internal problems. Its primary industrial economy, Germany, is suffering from Chinese competition, and with the rise of right-wing parties, resistance has emerged to the ambitious climate policies of the European Commission. One symptom of these internal troubles was the E.U.’s embarrassing failure to agree its own mitigation targets before the informal deadline of September 30.

The United States, meanwhile, is trying to force its partner countries to buy more U.S. oil and gas.

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[–] Hotznplotzn@lemmy.sdf.org 1 points 2 days ago

@Jason Kraus

has flat lined their CO2 emissions for the last 18 months

This is misleading and incomplete information that makes it outright false.

China is set to miss its target to cut carbon intensity – the CO2 emissions per unit of GDP – from 2020 to 2025. The country would need steeper reductions to hit the it’s 2030 goal.

Emissions from the production of cement and other building materials indeed fell by 7% in the third quarter of 2025, while emissions from the metals industry fell 1%. This is due, however, not to environmental policy in Beijing, but rather to the ongoing real-estate crisis, as the construction sector uses most of the country’s steel and cement output.

Power-sector emissions were also flat year-on-year in Q3/2025, with emissions from transport fell by 5%, but oil consumption in other sectors grew by 10%, driven by chemical industry expansion. This resulted in a 2% rise in oil consumption overall. Gas demand and emissions grew by 3% overall in Q3, with consumption in the power sector up by 9% and by 2% in other sectors.