this post was submitted on 21 Nov 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.

Recommended actions to cut greenhouse gas emissions in the near future:

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📈 Why everyone missed solar’s exponential growth (www.exponentialview.co)
submitted 1 month ago by humanspiral@lemmy.ca to c/climate
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The main explanation for continuous underforcasts by IEA, is that their rolodex includes only oil companies, and that's who they ask.

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[–] silence7 10 points 1 month ago

There's a bit more to it — people figured that the learning curve for solar would stop improving so much

[–] ryannathans@aussie.zone 8 points 1 month ago

Paywall half way through the article

[–] paysrenttobirds@sh.itjust.works 7 points 1 month ago

I think the incredible shrinking Rolodex of politicians in general is the reason for many such gaps.