this post was submitted on 04 Jul 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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Risks of synchronized low yields are underestimated in climate and crop model projections (www.nature.com)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
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The lead author also has an explanatory Twitter thread if that site isn't broken today

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[–] [email protected] 2 points 1 year ago (1 children)

not so much “broken” as it can only be seen if you’re a) logged in, and b) haven’t used up your daily rate limit …

[–] [email protected] 1 points 1 year ago (1 children)

I didn't have to log in (it has a download a pdf button that may require login but I didn't click it)

[–] [email protected] 3 points 1 year ago (1 children)

not the Nature post but the “explanatory Twitter thread” link

[–] [email protected] 2 points 1 year ago (1 children)

Ah, I just ignore everything on Twitter by default so I didn't even connect the dots

[–] [email protected] 3 points 1 year ago

(you’re missing out on the comedy about (rather than on) Twitter from this past Friday)