this post was submitted on 25 Apr 2024
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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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Survey finds that 60 firms are responsible for half of world’s plastic pollution (www.theguardian.com)
submitted 7 months ago by skhayfa@lemmy.world to c/climate@slrpnk.net
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The two tobacco companies Altria and Philip Morris International combined made up 2% of the branded plastic litter found, both Danone and Nestlé each produced 3% of it, PepsiCo was responsible for 5% of the discarded packaging, and 11% of branded plastic waste could be traced to the Coca-Cola company.

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[–] admiralteal@kbin.social 30 points 7 months ago (3 children)

This is for large plastics. Big pieces of trash.

Microplastics are almost entirely just tire dust.

[–] Hawke@lemmy.world 4 points 7 months ago

Last I heard was about 75%

It’s a lot but a pretty far cry from “almost entirely“.

[–] Track_Shovel@slrpnk.net 1 points 7 months ago

And yoga pants. Don't forget yoga pants. Though if I get rare cancer, I hope it's from girls in yoga pants.

[–] krolden@lemmy.ml 1 points 7 months ago (1 children)

When they grind up large plastic it turns into small plastic

[–] admiralteal@kbin.social 7 points 7 months ago* (last edited 7 months ago)

And yet even still the overwhelming majority of that "small plastic" is just... tire dust. That's still the bulk of the material.

That's the vast scale of automobile pollution. Another piece of how horrific auto-centric society is for the entire planet.