this post was submitted on 15 Jul 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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Climate scientists urge others to take up CO2 tracking as US cuts loom (www.newscientist.com)
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Proposed budget cuts in the US will lead to the loss of vital carbon dioxide measurements, but no other countries are preparing to step in so far, researchers warn

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[–] trailee@sh.itjust.works 1 points 1 week ago

There is particular concern about the continuation of the monitoring at Mauna Loa that began in 1957 – the longest continuous record of CO₂ at a single site. NOAA assists the Scripps-led monitoring there.

“Without NOAA involved, it will be difficult but not impossible to continue measurements nearby,” says Keeling.

I find that hopeful. This is the first I’ve read that there’s any chance of continuing measurements at Mauna Loa against trump’s wishes. I had assumed that the current buildings and equipment are under federal control, as is all nearby land. It would be nice to see some elaboration on how continuation might be possible.