this post was submitted on 08 Apr 2025
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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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Oxford Professor: Cycling is 10 times more important than electric cars for reaching net-zero cities (theconversation.com)
submitted 1 week ago by dwazou@jlai.lu to c/climate@slrpnk.net
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[–] chonglibloodsport@lemmy.world 2 points 1 week ago

Yeah. My city put in bike lanes literally everywhere and I never see anyone on them. They still have to cross traffic all over the place so they’re really not much safer.

On the other hand, there are some bike paths that were put in next to the old railroad. These rarely cross traffic and they have people riding them all the time.