this post was submitted on 02 Aug 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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The paper is here

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[–] [email protected] 17 points 4 months ago (1 children)

And so far, renewables have just let us use even more energy each year. I bet 2024 sets a new record for emissions. We won't cut emissions until we are facing a shortage of fossil fuels or our population declines from climate change. It's a race to see which will happen first.

[–] [email protected] 7 points 4 months ago (2 children)

Through 2023, renewable growth wasn't yet fast enough to force a cut in emissions. That potentially changed this year

[–] [email protected] 3 points 4 months ago* (last edited 4 months ago)

I will only believe when I see the data

[–] [email protected] 15 points 4 months ago

Yeah BUT what about the shareholders, won't somebody please think of the profit margins. /s

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