this post was submitted on 02 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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At least eight people die in record-breaking heatwave across Europe (www.aljazeera.com)
submitted 22 hours ago by sabreW4K3@lazysoci.al to c/climate@slrpnk.net
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[–] perestroika@slrpnk.net 8 points 20 hours ago* (last edited 20 hours ago)

It's like with earthquakes. At first, when nobody knows jack s**t, they tell you 10 people died.

When the statistics come home, often enough, an initial 10 turns into 10 000.

With a heat wave spanning half a continent and breaking records, the typical mortality to expect (basing on experience) is at least 1000 people (some of them old and about to go anyway, but pushed over the edge by heat).