this post was submitted on 14 Oct 2025
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Climate

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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Carbon credits are failing to help with climate change — here’s why (www.nature.com)
submitted 5 months ago* (last edited 5 months ago) by solo@piefed.social to c/climate@slrpnk.net
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Offsets are tradable credits from projects that claim to reduce emissions, either by avoiding them or by removing carbon dioxide from the atmosphere. Businesses and countries trade these credits — each representing the equivalent of one tonne of CO2 — to ‘neutralize’ their own emissions.

Although conceptually appealing, this reliance on offsets has fatal flaws. In practice, it’s difficult to ensure that they represent real emissions reductions rather than ‘hot air’, with the claimed climate benefits existing only on paper. Equally challenging is ensuring that emission reductions are ‘additional’, meaning that they would not have occurred without the incentive provided by the sale of carbon credits. (...)

This results in more emissions, delays the phase-out of fossil fuels and diverts scarce resources to false solutions.

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[–] Sanctus@lemmy.world 2 points 5 months ago

If you need an explanation for why buying symbolic coins isn't helping, I have a bunch of symbolic coins to sell you.