this post was submitted on 18 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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Just 0.7% of land hosts one-third of unique, endangered species, study (news.mongabay.com)
submitted 1 month ago by [email protected] to c/[email protected]
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Just 0.7% of the world’s land surface is home to one-third of the world’s most threatened and unique four-legged animals, a recent study has found. In the vast evolutionary tree of life, some animals, like rats, have many closely related species that are at no immediate risk of extinction. But others, like the red panda […]

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[–] [email protected] 6 points 1 month ago (1 children)

Not very surprising. That's because we killed them everywhere else to make room for us.

[–] [email protected] 3 points 1 month ago

Partly, but also genetic diversity due to geography(islands and moutain ranges for example) and the tropics just being more diverse. Just compare the Taiga with the Amazon rainforest.