this post was submitted on 03 Mar 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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Energy efficiency of active travel (walking, cycling, ebike) compared to an electric car (slrpnk.net)
submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]
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[–] [email protected] 4 points 9 months ago (2 children)

Wouldn't go as far as calling it urban, it's a few streets on a mountain

[–] [email protected] 4 points 9 months ago

there's always outliers. don't worry noone is saying you need to walk in those circumstances

[–] [email protected] 3 points 9 months ago

A few streets on a mountain can and should have a grocery store. For the occasional specialized needs, rural residents can use comparatively inefficient modes of transport because of their relatively small number. There's still a huge margin for better efficiency and planning.