this post was submitted on 29 Mar 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 U.S. Supreme Court this week declined to take up a closely watched lawsuit brought by 21 young people challenging the federal government’s fossil fuel energy system.

The high court’s decision Monday in Juliana v. United States ends a 10-year legal effort to hold the government accountable for knowingly endorsing an energy system that would destabilize the climate. The complaint claimed the situation infringed on the young plaintiffs’ rights to life, liberty and property and called on the government to phase out carbon emissions and implement national plans to address the energy and environmental problems they created.

The Supreme Court offered no reason for declining Juliana. Rodgers said the organization was considering options. The Justice Department did not respond to a request for comment.

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