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If Trump wins in November, life on Earth is likely to get far, far worse (www.motherjones.com)
submitted 2 months ago by jeffw@lemmy.world to c/climate@slrpnk.net
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[-] Kanda@reddthat.com 2 points 2 months ago

But we signed a lot of environmental treaties that no one ever intended to keep their promises on. So yay, us!

this post was submitted on 14 Sep 2024
219 points (98.7% liked)

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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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