this post was submitted on 08 Jan 2024
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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.

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Don’t Be Fooled, Snow Is Becoming a Thing of the Past | the long-term trend is warmer winters with less snowfall (www.bloomberg.com)
submitted 10 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 3 points 10 months ago

Long-term trend for the northern hemisphere is towards less snow cover by springtime

It wouldn't surprise me to find that there are a few localities with the opposite of the larger-scale trend.