this post was submitted on 24 May 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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[–] MrMakabar@slrpnk.net 1 points 5 months ago

And this goes back to the first post I made, about the difference between carbon markets and carbon offsets. The EU ETS does not have offsets and does not allow for emitters promising to emit less to be paid for doing so. There are a capped amount of carbon credits auctioned by a government body, which companies emitting within the EU and some other member countries have to buy to be permitted to emit. The amount of credits is lowered every year towards zero by 2050. The money paid goes to the government to be used to support green projects or be paid out to citizens. To put it another way:

  • No private company benefits from selling any sort of carbon credits in that system
  • Companies who purchase credits have to do so, due to emitting, so no pretending to not doing that
  • It is raising in the long term depending on how much emissions decline, due to the cap being lowered
  • a clear path towards zero emissions within the system(unlike a tax for example)