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California Sues Giant Oil Companies, Citing Decades of Deception (www.nytimes.com)
submitted 1 year ago* (last edited 1 year ago) by silence7@slrpnk.net to c/climate@slrpnk.net
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For context, the big oil firms did a series of internal studies back in the late 1970s and early 1980s which accurately anticipated the rise in atmospheric CO2 concentrations and global warming that would result, but went and hired the tobacco-cancer denial machine instead of looking for ways to move the world off fossil fuels.

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[-] DTFpanda@lemmy.world 25 points 1 year ago

God that image is depressing

[-] currentbias@open-source-eschaton.net 3 points 1 year ago* (last edited 1 year ago)

@DTFpanda @silence7 here it is in slightly higher res

this post was submitted on 16 Sep 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.

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