this post was submitted on 11 Mar 2026
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Climate

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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.

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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[–] Passerby6497@lemmy.world 0 points 3 hours ago

Trouble is, I was taught slightly different values for the SI prefixes and back when I went to school, tera was a billion kilos. So if it still functions that way, we’re talking hundreds of billions instead. Our national budget for the year is 20 billion. But if every person with a job paid just a million extra euros in tax, we could afford to do it!

Not sure if you were taught wrong or misremembering, but giga is the standard notation for billion, and tera is trillion. Kilo, mega, giga, tera, quad, quin.... They go on much farther than that, but at that point, just use exponential notation.