this post was submitted on 28 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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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Can We Air-Condition Our Way Out of Climate Change? No. But in the midst of intense heat waves it may be necessary to save lives. (nautil.us)
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[–] bl4ckp1xx13@lemmy.dbzer0.com 21 points 2 weeks ago

Had this discussion with my family recently.

I made a point how the UK heatwaves are proof of climate change and that we needed to act (not a very clued-in family).

They suggested we get ceiling fans.

I started being sarcastic:

"Look outside my window, see a barren lifeless desert hostile to any life, don't worry, we have ceiling fans!".

"What's that? Your car tires melted onto the road? Ceiling fans!".

"Shall I take a ceiling fan out with me like a little propeller hat everytime I need to go outside?".

They were amused.