this post was submitted on 01 Aug 2023
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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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It’s Official: US Stores Can No Longer Sell Most Incandescent Lights (www.nytimes.com)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
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[–] pec 3 points 1 year ago (2 children)

Here we heat our homes 70% of the year, I wonder, does that mean the heat was not a energy loss during that time?

[–] [email protected] 2 points 1 year ago

Nope. Same with things like GPUs in winter. OTOH, if you are using AC to cool a place, then you should factor in the cost of cooling into the cost of running the bulbs.

[–] [email protected] 1 points 1 year ago

hypothetically, no. this assumes you were going to use electric resistive heating instead and the outside temperature when you used them was about when you used the bulbs. overall it's better to just get efficient bulbs anyways so you aren't wasting energy in the summer. I delayed replacing my last CFL because of this