this post was submitted on 17 Jul 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.

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UK first European country to approve lab-grown meat, starting with pet food (www.theguardian.com)
submitted 4 months ago by [email protected] to c/[email protected]
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Regulators approve Meatly pet product, cultivated chicken made from growing cells

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[–] [email protected] 3 points 4 months ago

A decent chunk of the meat used for pet food comes from pieces humans won't eat (obvs. different by region and culture), so would go to waste anyway. Lab grown meat is cool, but I'm worried we won't get accurate reporting on environmental impact. "This is how much meat we produced" implying benefit vs. "This is how many fewer cows/chickens/etc. were bred and slaughtered for pet food" which can be used to calculate methane and ammonia reductions, etc.