this post was submitted on 30 Nov 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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[–] neanderthal@lemmy.world 6 points 11 months ago (6 children)

Not a chemist, but it seems like the alternatives to a carbon based combustion reaction are GHG CO2 and the deadly CO. I'm not sure how it is possible to use fossil fuels without emissions?

[–] silence7@slrpnk.net 4 points 11 months ago (4 children)

The idea is to use 30% to 50% of the energy from burning fossil fuels to capture the CO2 and pump it back underground. It's expensive enough that it's almost always cheaper to avoid burning fossil fuels in the first place, but the idea is seen by the fossil fuels industry as giving them social permission to keep on extracting, burning, and dumping CO2 in the atmosphere

[–] scientist@eu.mastodon.green 3 points 11 months ago* (last edited 11 months ago)

@silence7 @neanderthal

Generally, the fossil fuel industry needs to bury its idea's deep deep underground where they can't hurt anybody.

If we had governments that knew what they were doing & had the power, they'd set a future date by which time the fuel industries will be closed down (permanently)

That would motivate the type of transition needed to prevent a worsening #ClimateCrisis

Its amazing what society could do if decision makers were up against a dead line (prevent death line)

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