this post was submitted on 08 Apr 2024
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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 Time Paradox of Climate Change (atmos.earth)
submitted 8 months ago by silence7 to c/climate
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[–] hotelbravo722 3 points 8 months ago

I like the writers observation that using environmentally safe products but then consuming more of them still lands us back to the same problem of not enough resources to provide such consumptive lifestyles. I disagree with the point that Doughnut Economics is just greenwashing because it’s not explicitly “degrowth”. Doughnut Economics is about Degrowth, it just makes the point that no matter how much you shrink the economy there are some basic services you need to provide for everyone. Doughnut Theory calls them the social foundations and you can’t go bellow that. How the book addresses shrinking the economy but still providing enough for the social foundations is by “decentralization” of power, finance and ownership.