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Taking CO2 out of the air would be an absurdly expensive way to fight climate change (www.theverge.com)
submitted 4 months ago by testeronious@lemmy.world to c/climate@slrpnk.net
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[-] Little_mouse@lemmy.ca 7 points 4 months ago

Well the first step is to reduce or at least drastically eliminate the amount of CO2 that is being released in the first place. Removal of carbon from the air is necessarily going to have to be a down the road plan. It literally cannot happen to any scale if we are still relying on fossil fuels in the first place.

this post was submitted on 15 Apr 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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