this post was submitted on 07 Nov 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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The Sierra Club Embraced Social Justice. Then It Tore Itself Apart. (www.nytimes.com)
submitted 1 month ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The environmental group gave up its singular focus on climate change for a broader agenda. The ensuing internal strife left it weakened as it takes on the Trump administration.

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[–] MammyWhammy@lemmy.ml 5 points 1 month ago (1 children)

Another recent Sierra Club example, is the Sierra Club opposed new renewable energy projects in Puerto Rico because it would require developing "ecologically sensitive areas and land with high agricultural value."

Once again, valid enough. However, now instead of some renewable power generation in Puerto Rico, the Sierra Club stopped progress on an energy transition project. Puerto Rico is sitting around 87% of power generation coming from fossil fuels.

What's better for the environment of Puerto Rico in the long run?

They continue to lose sight of the forest for the trees.

[–] MammyWhammy@lemmy.ml 3 points 1 month ago (1 children)

Also the Sierra Club, an organization that exists "To explore, enjoy, and protect the wild places of the earth" shouldn't be lobbying in labor rights issues. It muddies their actual goals.

All of their members can, and should, organize for those causes, but the larger organization and local chapters themselves shouldn't.

Focus on the goal not the noise. Build bridges where and when you can. Someone doesn't have to be "all-in" to be an ally.

[–] MammyWhammy@lemmy.ml 2 points 1 month ago

/rant

I just so want causes like theirs to succeed. But to succeed you need to play to win.