this post was submitted on 01 Aug 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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We’ve burned through Earth’s yearly resource budget in 7 months (www.euronews.com)
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[–] [email protected] 11 points 1 month ago

Overshoot Day is calculated using UN data to work out each country’s ecological footprint and the ‘biocapacity’ of the planet. Biocapacity is Earth’s ability to produce renewable resources and absorb waste, while the ecological footprint measures demand on nature including consumption of resources and emissions.

Global warming caused by vast amounts of CO2 from the burning of fossil fuels is driving the deficit, according to the Global Footprint Network. The organisation says that achieving a 43 per cent cut in global emissions by the end of the decade would require Overshoot Day to be pushed back by 19 days every year between now and 2030.

An interesting read.