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This is how big one tonne of CO2 is (slrpnk.net)
submitted 7 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] yojimbo@sopuli.xyz 13 points 7 months ago* (last edited 7 months ago)

Not sure it actually demonstrates the extend of the issue. My favourite way to look at it (via ThunderF00t@youtube I believe):

  • dry ice is essentially frozen CO2 ( CO2 in solid form)
  • cca 40 billion tuns per year (cca 5t per person / year, 8 billion people)
  • 1km side cube of dry ice weights cca 1.5 billion tuns (1.560 kg/m3 says wiki)

=> Burj Khalifa has 830 m - imagine huge cube of dry ice 20% taller ( or 3x eifell tower)- all that CO2 boiling off in massive clouds - than add 25 of them - each year. We've been doing this at some scale for decades....

this post was submitted on 25 Mar 2024
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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.

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