this post was submitted on 03 Sep 2025
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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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How to protect US students from heat in schools – and is it time to rethink summer break? US schools were built for a cooler climate that no longer exists. Now they face record-high temperatures (www.theguardian.com)
submitted 3 weeks ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] aislopmukbang@sh.itjust.works 2 points 3 weeks ago (2 children)

I wonder if one day we'll see school days canceled due to excessive heat the way we do snow

[–] SilverFlame@lemmy.world 5 points 3 weeks ago

Thats already been happening. I live in Philadelphia, where our schools are famously decrepit and underfunded, and there have been several "heat days" over the past few years. The frequency of them seems to be increasing.

[–] benjhm@sopuli.xyz 2 points 3 weeks ago

Why just US schools? Such a rethink should apply to every country. In my opinion, school holidays should be rescheduled to coincide with the best periods for outdoor activities (for example, here in europe I'd prefer the summer holiday to be in June which is cooler than July but with longer daylight hours). While for both extreme hot or cold (and dark) periods, it’s better that kids are gathered in a coolable / warmable institutional building, than assume that all parents can provide such a space for the whole day.
Current school holiday patterns date from 19th century traditions, when kids helped with planting in april and harvest in august, change is long overdue.