this post was submitted on 08 Oct 2023
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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 15-minute city: It's a global climate solution — if it can get past conspiracy theories and NIMBYs (www.npr.org)
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[–] benjhm@sopuli.xyz 16 points 1 year ago

I live in a village, popn ±2000, within 10 mins walk we have two schools, supermarket, railway station, music academy, dance hall, sports facilities, and within 15 mins by e-bike (next villages) a hospital, commune admin services, more shops etc. It helps that services cluster along the river valley, but the e-bike helps a lot to climb up the side.
In much of the world population is no longer rising, so we shouldn't just assume growing cities, rather provide better services near to existing housing stock - much of that is rural.