this post was submitted on 07 Jun 2024
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Climate - truthful information about climate, related activism and politics.

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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.

Recommended actions to cut greenhouse gas emissions in the near future:

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Biden Administration Tightens Mileage Standards to Buoy E.V.s | The new rule requires automakers to achieve an average of 65 miles per gallon across all models by 2031. (www.nytimes.com)
submitted 5 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The new standards require American automakers to increase fuel economy so that, across their product lines, their passenger vehicles would average 65 miles per gallon by 2031, up from 48.7 miles today. The average mileage for light trucks, including pickup trucks and sport utility vehicles, would have to reach 45 miles per gallon, up from 35.1 miles per gallon. Selling electric vehicles and hybrids would help bring up the average mileage per gallon across their product lines.

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[–] Voytrekk@lemmy.world 11 points 5 months ago

The standards will also require heavy-duty pickup trucks, such as the Chevrolet Silverado 2500 HD, and large vans, such as Amazon delivery vans, to reach 35 miles per gallon by 2035, up from 18.8 miles per gallon today

This is a step in the right direction, but it would be better if the standards for passenger cars would include all consumer vehicles.