this post was submitted on 22 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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Would Trump privatize weather forecasting? What to know. (www.washingtonpost.com)
submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]
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[–] [email protected] 2 points 3 months ago

It's similar in the UK. The UK has a public weather service (the Met Office) and there are also private services that use the data from the Met Office. The private services cut corners with their forecasting software and have lower-skilled forecasters, and as a result, provide measurably worse forecasts. If you're making life-and-limb decisions based on forecasts such as which roads to close due to ice, you'd better have access to the best possible forecasts that exist, otherwise people will die.