this post was submitted on 30 Mar 2024
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Climate - truthful information about climate, related activism and politics.

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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.

Recommended actions to cut greenhouse gas emissions in the near future:

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temperature timeline (imgs.xkcd.com)
submitted 7 months ago by Bridger@sh.itjust.works to c/climate@slrpnk.net
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https://imgs.xkcd.com/comics/earth_temperature_timeline.png

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[โ€“] orcrist@lemm.ee 14 points 7 months ago (1 children)

IKR? If only we had some way of capturing photographic evidence from satellites and aerial photography that would let us map the advance and retreat of glaciers around the world. That would be really useful technology in ensuring that facts could be used when discussing this important issue.

Oh well, I guess it's too technical to ask for such things after all. Maybe Elon Musk can do something about it in the next decade.

[โ€“] jol@discuss.tchncs.de 5 points 7 months ago

Maybe we could also survey the underside of the ice caps at the same time, while we're at it? Oh, we're alrrady doing that and it's horrible? Alright.