this post was submitted on 02 Jan 2024
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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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Hannah Ritchie: ‘Doomsday predictions are a dream for climate deniers’ (www.theguardian.com)
submitted 1 year ago by [email protected] to c/[email protected]
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[–] [email protected] 11 points 1 year ago (1 children)

What do you have in mind there here? Since we've increased our emissions and energy use over that time I have a hard time declaring we've been doing meaningful things.

Making things worse more slowly is not making things better, electric cars being a stand-out example.

[–] [email protected] 6 points 1 year ago* (last edited 1 year ago)

We cut the rate of increases in greenhouse gas emissions. This shifted us from most likely 4C by 2100 to 3C of warming by then.

It's not yet enough to say we succeeded, but it's a start. It'll take a lot more work to say we got full success, but that's always how it was going to be: a multi-decade fight to end fossil fuel use and deforestation