this post was submitted on 30 Oct 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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Shipping Contributes Heavily to Climate Change. Are Green Ships the Solution? (www.nytimes.com)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
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[โ€“] [email protected] 12 points 1 year ago (1 children)

Perhaps partially. But growing and producing more stuff locally would be better. And perhaps learning to go without stuff out of season might be good both for us and for the planet.

[โ€“] [email protected] 7 points 1 year ago

This is the more accurate answer. I studied the global costs of shipping over a decade ago, long before climate change was as dire as it currently is, and it's alarming how much stuff travels further than necessary.