this post was submitted on 20 Jul 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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Mapped: 16 times extreme weather drove higher food prices since 2022 (www.carbonbrief.org)
submitted 3 weeks ago* (last edited 3 weeks ago) by Pro@reddthat.com to c/climate@slrpnk.net
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UK potatoes, South Korean cabbage and west African cocoa are just some of the foods that became markedly more expensive after extreme weather events in recent years, according to new research.

The study, published in Environmental Research Letters, analyses 16 examples of food price rises across the world that followed periods of extreme heat, drought or rainfall over 2022-24.

A “striking” example, according to the lead author, is the wide-ranging price impact following a 2024 heatwave in Asia, which saw cost increases from onions in India to rice in Japan.

Soaring food prices have been a major concern for consumers around the world since around 2021, with prices rising due to extreme weather fuelled by climate change, higher production costs and Russia’s invasion of Ukraine – among other factors.

The new findings act as a “stark reminder” of the “significant pressure” climate change is already having on crops, a researcher not involved in the study says

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