this post was submitted on 11 Dec 2025
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Climate - truthful information about climate, related activism and politics.

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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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Is the Pacific Northwest ready for a wave of climate migration? (www.kuow.org)
submitted 2 weeks ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] hanrahan@piefed.social 8 points 2 weeks ago (1 children)

The following articles a couple years old but still ..

https://www.theguardian.com/commentisfree/2021/aug/16/us-climate-change-americans-census-data

Parts of the US are getting dangerously hot. Yet Americans are moving the wrong way

The Census Bureau’s new map of the last decade’s population trends shows big growth in the west and on the coasts – and declines in the inland east coast and Great Lakes region.

Now compare that map to ProPublica maps documenting the areas most at risk of extreme heat, wildfires and flooding, and you see the problem. While there has been some recent anecdotal evidence of pragmatic climate migration, overall the census data shows America’s population growth is shifting out of areas that may be the best refuges from the most extreme effects of climate change, and into many areas that are most at risk.

Some of the examples are genuinely mind-boggling. For instance, upstate New York is considered one of the country’s most insulated regions in the climate crisis – and yet almost all of upstate New York saw population either nearly flat or declining. At the same time, there were big population increases in and around the Texas Gulf coast, which is threatened by extreme heat and coastal flooding.

I take issue with the mind boggling quip, this level of stupid is after all why we're in this mess.

They want to pretend that nothing must fundamentally change – even though we’re already seeing that everything is changing faster than ever.

[–] rimu@piefed.social 6 points 2 weeks ago

Haha that's bleak. And a great example how choices that may be optimal for an individual ("ahhh, time to retire somewhere warm") can be pretty bad at a societal level.