this post was submitted on 24 Jul 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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Planet Sets Record for Hottest Day Twice in a Row | Researchers with the European Union’s Copernicus Climate Change Service said Sunday was Earth’s hottest day. Then it happened again on Monday. (www.nytimes.com)
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At a closer look, 2023 and 2024 have seen annual highs significantly above those recorded in previous years, the agency said. Another key sign of global warming was that the 10 years with the highest daily average temperatures are the last 10 years, 2015 to 2024.

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