this post was submitted on 16 Sep 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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An incredible shift in the weather has turned the Sahara green (edition.cnn.com)
submitted 2 months ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 4 points 2 months ago (1 children)

I always thought this less sandy southern side of the desert was called the Sahel, not the Sahara? or Is the Sahel part of the Sahara?

[โ€“] [email protected] 9 points 2 months ago* (last edited 2 months ago)

The Sahel is the transition zone between the savannahs further south and the Sahara. In the image above; its where it gets noticeably less green but still distinct from the Sahara