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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Gas imports or solar panels? (slrpnk.net)
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[–] Trainguyrom@reddthat.com 22 points 3 days ago (2 children)

Well then it's a good thing that there's a lot more than 2000 acres currently being used to grow varieties of corn that aren't even intended for human consumption but will just be turned into ethanol

[–] JATtho@lemmy.world 4 points 2 days ago (1 children)

Plant photosynthesis isn't exactly efficient at all: 6% (It's even lower than this maximum!) The industrial-scale corn-to-ethanol is something of a insanity, since agriculture is intensively polluting/destructive and ridiculously water hungry.

Using the same land area and producing hydrogen with solar, and then converting the H2 to hydrocarbons in a industrial complex would probably be way better. (I would like to know some numbers for this...)

Also, some plants actually like growing in shade. So, the solar-panel-fields don't exclude using the land also for growing food simultaneously, if the panel arrays are raised from the ground level and placed a bit more sparsely.

[–] Trainguyrom@reddthat.com 2 points 2 days ago (1 children)

That was kinda the point I was making, needing a ton of land for solar panels to enable a transition away from oil wouldn't be such a bad thing since so much land is used to grow corn for ethanol which...wouldn't really have much demand following such an energy transition

[–] JATtho@lemmy.world 1 points 1 day ago

It's apparently weird if somebody agrees with you on the internet?

[–] dejected_warp_core@lemmy.world 5 points 3 days ago (1 children)
[–] howrar@lemmy.ca 2 points 3 days ago

This video has been posted so many times in this thread that I've inadvertently memorized the video ID.