this post was submitted on 02 Aug 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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Sorry about the paywall, but the key facts are all in the beginning:

The Interior Department released a new secretarial order Friday saying it may no longer issue any permits to a solar or wind project on federal lands unless the agency believes it will generate as much energy per acre as a coal, gas, or nuclear power plant.

Hypothetically, this could kill off any solar or wind project going through permitting that is sited on federal lands, because these facilities would technically be less energy dense than coal, gas, and nuclear plants. This is irrespective of the potential benefits solar and wind may have for the environment or reducing carbon emissions – none of which are mentioned in the order.

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