this post was submitted on 29 Sep 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 climate crisis is here. We can still have a better world. | Our hotter planet doesn’t have to be a hopeless planet. (www.vox.com)
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[–] silence7 2 points 1 month ago (1 children)

Hardly; it's largely a matter of how quickly we phase out fossil fuels. Wait longer, and you get to scrap equipment before the ends of its normal useful life instead of getting full use out of what you pay for.

[–] krashmo@lemmy.world 1 points 1 month ago (1 children)

We've already waited way too long. That's the point. Talking about it like you are makes it sound like we haven't missed our window for slow and methodical transitions but that part of the conversation happened in the 80s and we decided that path was for pussies. Now here we are in the "October hurricanes are flooding Tennessee" timeline. If that sounds like the right time to be discussing getting the most out of our remaining diesel engines then you're not paying attention.

[–] silence7 1 points 1 month ago

Yes, we've wanted too long for zero impact.

We haven't waited too long to still end up with a habitable planet. Failing to act now puts that at risk.