this post was submitted on 11 Jun 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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Growth in emissions of 'forgotten greenhouse gas' nitrous oxide is speeding up (www.abc.net.au)
submitted 5 months ago by hanrahan@slrpnk.net to c/climate@slrpnk.net
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cross-posted from: https://slrpnk.net/post/10459641

Over the past three years ... we've seen an even faster growth rate of accumulation of N2O into the atmosphere, almost 30 per cent faster than the previous decade.

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[–] Rhaedas@fedia.io 14 points 5 months ago (1 children)

Nitrogen oxides are NO and NO2 (which is the cooling gases on the chart.

N2O (nitrous oxide) is a very strong greenhouse gas, third on the list of contributing to warming only because there's so much less of it compared to CO2 and methane.

[–] ryannathans@aussie.zone 1 points 5 months ago* (last edited 5 months ago)

Ahhh gotcha, maybe we all gotta do our part and inhale it all instead 🤪