this post was submitted on 24 Nov 2024
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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.

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

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COP29: Five key takeaways from Brazil’s 2035 climate pledge (www.carbonbrief.org)
submitted 23 hours ago by [email protected] to c/[email protected]
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Brazil’s new climate pledge, launched at the COP29 climate summit in Baku, aims to cut greenhouse gas emissions by as much as two-thirds by 2035 compared to 2005 levels.

The new pledge makes Brazil one of the first countries to release its latest plan – known as a “nationally determined contribution” (NDC) – ahead of the February 2025 deadline.

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