this post was submitted on 09 Dec 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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Car tires shed a quarter of all microplastics in the environment. Urgent action is needed (phys.org)
submitted 2 days ago* (last edited 2 days ago) by [email protected] to c/[email protected]
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Electric cars are not THE solution.

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[–] PrimeMinisterKeyes 1 points 2 days ago* (last edited 2 days ago)

For those who didn't read the article or aren't following EU politics, Euro 7, passed in April, explicitly addresses the need for reining in pollution from brakes and tires. Some more information here:

The position adopted by the European Parliament improves the European Commission's proposal by extending the scope of tyre abrasion limits to all tyres and not just those fitted on Euro 7 vehicles. It also directly links Euro 7 to the work that is being done in the UNECE World Forum for Harmonization of Vehicle Regulations (WP. 29), which will set global rules regarding a test method and limits for tyre abrasion.

There's a new Euro standard "major version" every 5.8 years on average, so here's hoping that my outdoor furniture will soon not become completely blackened within a year after the last cleaning.