this post was submitted on 30 May 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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California Governor Gavin Newsom is a climate champion. Why did he just crush community solar? (www.latimes.com)
submitted 3 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] spidermanchild@sh.itjust.works 4 points 3 months ago

Quite a shit opinion piece honestly. It's a complex issue and the author's argument of "but it's 2024 come on" and then quoting the bible is lame.

The reality is solar is worth next to nothing in CA without storage, community solar is therefore worth next to nothing without storage, and the transmission level connections don't offer the same advantage that individuals homeowners can achieve with batteries (actual backup), so utility scale comes out ahead on cost. The CPUC made their decision on cost, so unless the author has some actual data to back that up (they don't, and they even sympathize with that argument), it's all really just a feels piece. The Ward legislation was flawed in that it set constraints that could not be navigated through the cost modelling structures.

Other states that haven't hit the belly of the duck will deal with this eventually and should thank early adopters like CA/TX for bringing down prices for battery storage for when they inevitably run into these issues. As a solar owner without battery in Colorado, I can guarantee you I'm taking more from the utility than I put in, which simply will fail at a certain scale and create inequities. You can argue that this is all fine and the carbon reduction is more important (and I generally agree), but there has to be a line somewhere where we need to agree on least cost solutions when all of the options get us to near net zero in the same timeframe.