this post was submitted on 02 May 2025
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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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The Myth of Plastic Recycling. (slrpnk.net)
submitted 3 days ago by Pro@programming.dev to c/climate@slrpnk.net
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[–] derpgon@programming.dev 12 points 2 days ago (2 children)

If I had to choose glass or plastic, I am always choosing glass. Glass is such a good material. It is infinitely recyclable, the bottles can be reused for several years, and if they are buried they don't release microplastics.

[–] HubertManne@piefed.social 5 points 2 days ago (1 children)

I jump for situations where the glass is taken back for wash and reuse. Its the most sensible thing. I swear I had heard about restaurants doing this with containers but I never actually encountered one. So they had perm togo containers they took back and washed.

[–] derpgon@programming.dev 1 points 8 hours ago

That's what we have here in Czechia, it is called Rekrabička.

[–] AnyOldName3@lemmy.world 3 points 2 days ago (2 children)

It depends on which aspects of the environmental impact you're looking at, as melting glass to recycle it can be much more damaging than landfilling several plastic bottles if the glass furnace is heated by fossil fuels. If glass bottles are washed and reused, they're much better than plastic, but that's rarely what happens.

[–] HubertManne@piefed.social 1 points 4 hours ago

The cleaning was common back then. Every store took back the tall glass bottles of soda and in modern times oberweiss brought that back with milk. The glass melting is nice just as a final option really.

[–] derpgon@programming.dev 2 points 8 hours ago

Gas is used to heat up glass furnaces most of the time. But it is possible to use elctricity aswell, which is more and more sources from either solar or nuclear.

Not saying it is greener than plastic when it comes to electricity and shipping.