this post was submitted on 10 Sep 2023
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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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Tire wear and tear revealed as a major contributor to waterway pollution (newatlas.com)
submitted 1 year ago by [email protected] to c/[email protected]
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https://pubs.acs.org/doi/10.1021/acs.est.3c03949

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[–] [email protected] 75 points 1 year ago (4 children)

I've always wondered about this. Similar to microplastics - everyone's tires wear, meaning small vulcanized rubber bits are being shed everywhere people drive. There must be some level of environmental impact of this

[–] [email protected] 43 points 1 year ago (1 children)

In Germany half of the microplastic on land comes from tire wear.

[–] [email protected] 17 points 1 year ago (1 children)

Micropetroleum in all sorts of forms is everywhere thanks to humans.

[–] [email protected] 2 points 1 year ago

Even in raindrops!