this post was submitted on 29 Nov 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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An Eighth of an Inch? … In How Long? (tamino.wordpress.com)
submitted 3 weeks ago by [email protected] to c/[email protected]
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Donald Trump has said many times in the last few months that because of global warming, sea level will rise an eighth of an inch in several hundred years...

He usually follows by adding that “we’ll have more beachfront property.”

It is just about the stupidest thing one could possibly say about sea level rise.

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[–] [email protected] 6 points 3 weeks ago (1 children)

So, because he said it, I have to assume it means 8 inches per year^squared^ over the next 100 years.

[–] [email protected] 3 points 3 weeks ago (1 children)

What is a year squared?

[–] [email protected] 1 points 3 weeks ago* (last edited 3 weeks ago)

525,600 minutes²