this post was submitted on 08 Oct 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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Study shows EV owners have bigger carbon footprint than average because they are wealthier (phys.org)
submitted 2 months ago by ODGreen to c/climate
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Maybe EVs are not a comprehensive climate solution??

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[–] federalreverse@feddit.org 6 points 2 months ago* (last edited 2 months ago)

Switching from existing structures like parking etc to public transport? How? How fast? What do we do with that space? Who pays for it? I'm frustrated by the system but we can't just start from a blank slate, we have to work with it.

Are you serious? I was in the US just once, and within 3 days, I felt depressed. I had originally planned to travel through the US and CA for two weeks but following a one-week work thing and decided to just return after following obligatory week 1.

At least two thirds of basically any downtown appears to be parking and there's at least a further 15% that's overly wide roads.

You could remove the concrete and build parks which would improve those cities' water household and have made me feel less depressed. You could build housing. You could build stores. You could build third places. You could make downtowns livable.

And it's definitely possible. Because those places all existed before they were bulldozed to better suit cars.