this post was submitted on 21 Jan 2026
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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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California exceeds clean car goal despite declining federal support (www.latimes.com)
submitted 1 day ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Archived copies of the article:

The details on this are not promising:

Nearly 23% of new vehicles sold in California in 2025 were considered zero-emission vehicles, though EV sales were down in the state and across the U.S. compared to the year prior.

...

In the fourth quarter of 2025, only 18% of new cars sold in the state were zero-emission.

It needs to be 100% in the not-very-distant future, and that's going to be really tough without a sharp reduction in prices, which isn't likely to happen due to tariffs pushing prices up.

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[–] French75@slrpnk.net 4 points 23 hours ago (1 children)

EV sales will likely continue to decline because we've made charging obscenely expensive. It's typically >50 cents/KWh at retail, and if you charge at home, it's not much cheaper if you don't have rooftop solar. We've let PG&E and SCE kinda ruin this.

[–] MrMakabar@slrpnk.net 3 points 21 hours ago (1 children)

Is California not just made up of single family housing and very sunny everywhere? Seems like the ideal place to charge cars with solar at home.

[–] French75@slrpnk.net 1 points 7 hours ago

You would think, but the policy moves the state has made, between mandating rooftop solar on new homes, and new net energy metering billing policies have inverted the finances of EVs. They are more expensive to buy, and often more expensive to operate than gas engine vehicles because we have completely fucked electricity prices. We are 3-4x the national average per KWh, and and easily double (if not more) what it costs in other states to install rooftop solar.

Our electricity prices have more than doubled in the last 5 years, and the cost of rooftop solar has balooned even independent of the batter requirement for new rooftop installations.

The issue is massive pricing disincentives for EVs at a time when gas prices are decreasing.