this post was submitted on 23 May 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.

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

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Big Tech thinks it can plant trees better than everyone else (www.theverge.com)
submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[โ€“] snooggums@midwest.social 15 points 6 months ago (1 children)

So the thing about trees is, there are right ways and wrong ways to plant them. It should be obvious that plantng a tree in a desert won't just lead to a forest, but the same is true to a lesser degree in most locations. It is necessary to choose the right locations that will have water available, and good soil, and some other conditions for the trees to thrive.

Companies doing it will most likely just dump a bunch of seeds or saplings in an area that won't support long term growth, claim the numbers, and then let the trees die off.

[โ€“] nxdefiant@startrek.website 9 points 6 months ago

That is probably true.