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We've barely managed to make a tiny dent
(lemmy.blahaj.zone)
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this post was submitted on 29 Dec 2024
549 points (100.0% liked)
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:
How much each change to the atmosphere has warmed the world:
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Has there ever been a period in Earth's history where CO2 concentration in the atmosphere changed this quickly without being accompanied by mass extinctions?
The Paleocene-Eocene thermal maximum is actually a great analogue for what we're currently experiencing. Huge increase in global temperature over a relatively short period of time, probably due to runaway methane release. It went back to normal within a few hundred thousand years because of increased planktonic CO2 sequestration in the expanded tropical zone.