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Climate-changing human activity could lead to 1 billion deaths over the next century, according to new study (phys.org)
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[-] themeatbridge@lemmy.world 14 points 1 year ago

Just want to point out for all the people who say things like "We didn't know how bad it would be..." George did that bit in 1992, and everybody knew exactly what he meant. Jimmy Carter warned of climate change while he was president.

We've known for nearly 50 years, and we did almost nothing to stop it.

this post was submitted on 29 Aug 2023
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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.

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