this post was submitted on 26 Sep 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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Hurricane Helene threatens ‘unsurvivable’ storm surge in Florida as it’s forecast to explode into catastrophic Category 4 | CNN (edition.cnn.com)
submitted 1 month ago by gytrash@feddit.uk to c/climate@slrpnk.net
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Hurricane Helene is now forecast to reach catastrophic Category 4 strength by the time it makes landfall in Florida on Thursday, the National Hurricane Center says, with storm surge potentially climbing to 20 feet along some parts of the coast.

Helene could be the strongest hurricane to hit the United States in over a year – and time is running out for those in its path to prepare.

“A catastrophic and deadly storm surge is likely along portions of the Florida Big Bend coast, where inundation could reach as high as 20 feet above ground level, along with destructive waves,” the center warned. “Preparations to protect life and property should be completed by early Thursday before tropical storm conditions arrive.”

Helene rapidly intensified into a hurricane Wednesday and will continue strengthening as it crosses over the record-warm water of the Gulf of Mexico. Rapidly intensifying storms like Helene are becoming more frequent in a world warming due to fossil fuel pollution...

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[–] supersquirrel@sopuli.xyz 2 points 1 month ago

People generally remember storms this big for the rest of their lives.