this post was submitted on 22 Oct 2023
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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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Why Ten Billion Snow Crabs Disappeared Off the Coast of Alaska (www.smithsonianmag.com)
submitted 1 year ago by yenahmik@lemmy.world to c/climate
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The unprecedented die-off represents roughly 90 percent of the eastern Bering Sea population

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[–] The_v@lemmy.world 7 points 1 year ago

In a stable population, 2 would make it to adulthood every generation. If an adult female produces eggs for 10 years, that's 1:500K make it to adulthood. The ocean has a lot of hungry mouths.