this post was submitted on 25 Oct 2023
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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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All of this has just been distraction (climatejustice.social)
submitted 1 year ago by Masimatutu@lemm.ee to c/climate@slrpnk.net
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Found in this great toot

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[–] FrostyCaveman@lemm.ee 2 points 1 year ago (1 children)

Looked into this a while ago and I seem to recall 1000-2000ppm is “very stuffy office” territory.

(At one point I worked in a really terrible office and was considering trying to measure it somehow)

[–] JohnDClay@sh.itjust.works 2 points 1 year ago (1 children)

Looks like about 350 years till we get to 1000ppm at this rate. I'm guessing we'll die of being cooked before we get much dumber, but it's an interesting side effect.

[–] theneverfox@pawb.social 1 points 1 year ago

Well here's the thing... There's a huge difference between levels where acute exposure causes something noticable, and living with exposure to something all the time