this post was submitted on 29 Jul 2024
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Climate - truthful information about climate, related activism and politics.

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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:

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Opinion | There’s a New Reason to Save Life in the Deep Ocean (www.nytimes.com)
submitted 1 month ago* (last edited 1 month ago) by solo@slrpnk.net to c/climate@slrpnk.net
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Recently, scientists at the Woods Hole Oceanographic Institution wrapped up the most comprehensive study of the twilight zone in history, helping to establish that some 11 billion tons of microorganisms, crustaceans, squid, fish and gelatinous animals that live there are helping to draw down a third of the carbon dioxide emitted by human activity, likely saving us and our planet from catastrophic climate change.

Just as we are learning to appreciate the extraordinary service of creatures in the twilight zone, companies that manufacture feed for industrial fish farms, fertilizer and omega-3 supplements are preparing to exploit it. Right now nations are considering authorizing commercial fishing fleets to grind life in the twilight zone into fish meal, fertilizer and plant food. Before they move forward with these plans, it would be wise to hit pause so we can understand how that decision will affect our planet.

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[–] homesweethomeMrL@lemmy.world 3 points 1 month ago

I wish this had changed in 50 years.