this post was submitted on 11 Dec 2025
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Climate

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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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“Catastrophic” flooding is expected to hit parts of Skagit, Snohomish and King counties Thursday as rivers swell and the region is drenched in rain.

Authorities have ordered evacuation for parts of Orting in Pierce County, parts of Skagit County, including Mount Vernon, and Ebey Island east of Everett. An estimated 100,000 Washingtonians could face evacuation orders as floodwaters continue to rise, Gov. Bob Ferguson’s office said Wednesday afternoon.

Ferguson already declared a state of emergency, and Sen. Maria Cantwell, D-Wash., said she’s working to get federal assistance for those impacted.

In Grays Harbor County, a nearly century old dam in Lake Sylvia State Park is showing signs of stress. Although it hasn’t failed yet, it could get worse if these weather conditions continue.

The Carbon River near Fairfax; Cedar River near Renton; Puyallup River near Orting; Elwha River near Port Angeles; Snohomish River at Snohomish; Stillaguamish River at Arlington; and the Skagit River at Concrete and Mount Vernon were all expected to either swell above their record height or come within inches of the record.

The Skagit is expected to rise aggressively until a peak around 4 a.m. Thursday in the Concrete area.

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More articles about the flooding:

Map: Map of affected areas in western WA State

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