this post was submitted on 13 May 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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Cloud Brightening Study in California Is Halted by Local Officials (www.nytimes.com)
submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] perestroika@slrpnk.net 6 points 6 months ago* (last edited 6 months ago) (1 children)

“The City is evaluating the chemical compounds in the spray to determine if they are a hazard either inhaled in aerosol form by humans and animals, or landing on the ground or in the bay.”

If it comes from the bay, I think it's safe to assume it can go into the bay. :)

As for the rest, I think it's OK for them to evaluate - and they are likely to reach the concusion that spraying seawater into the air is what the sea does on its own, and humans are pretty well adapted to reasonable amounts, so the instruction will be:

  • "spray it from the leeward side, it's polite that way"
  • "don't put your face in front of the working sprayer"
  • "don't use the sprayer during algal blooms"
[–] variants@possumpat.io 3 points 6 months ago

I really hope we don't get brain injuries from this