this post was submitted on 30 Mar 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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With its new farm bill, Florida’s climate fight just hit a tractor-sized roadblock (grist.org)
submitted 6 hours ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The sweeping new law enshrines farmers' use of gas-powered equipment and weakens protections for conservation lands, locking the state's climate-battered ag sector into fossil fuel dependence.

I'll note that the typical municipal restriction on gas-powered gardening equipment (leaf blowers, weed whackers, mowers) is because those devices tend to use gas engines which don't have any of the pollution or sound controls that cars have, so they create a huge amount of noise, and lots of particulates which kill people.

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