this post was submitted on 26 Jun 2026
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Climate

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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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European heatwave is worst ever and impossible without climate crisis, scientists say | Study also finds high humidity means people in hundreds of cities are enduring their worst ever heat stress (www.theguardian.com)
submitted 1 month ago* (last edited 1 month ago) by silence7@slrpnk.net to c/climate@slrpnk.net
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The report itself is here:

Fossil fuel emissions have rapidly worsened European heatwaves in just a few decades

Just weeks after a severe heatwave that broke all-time May records, Europe is experiencing another major heatwave that is breaking June and annual records. This is particularly remarkable given that June is not historically the hottest month in Western Europe. Across France, Germany, Italy, Spain, and southern England, temperatures are reaching 5–12°C above seasonal averages, driven by a persistent high-pressure system. This pattern has transported hot air from North Africa into the region while also bringing clear skies and strong sunshine, which have further intensified the heat.

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[–] idiomaddict@lemmy.world 4 points 1 month ago* (last edited 1 month ago)

I checked the weather just before midnight the night before last, and it was 25 degrees two hours after sunset. The average high temperature for June 24 was 20 degrees, and the high that day was 34 degrees 🫠