this post was submitted on 05 May 2024
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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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‘Like wildfires underwater’: Worst summer on record for Great Barrier Reef as coral die-off sweeps planet | CNN (www.cnn.com)
submitted 6 months ago by silence7 to c/climate
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The corals are casualties of surging global temperatures which have smashed historical records in the past year — caused mainly by fossil fuels driving up carbon emissions and accelerated by the El Niño weather pattern, which heats ocean temperatures in this part of the world.

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[–] Telorand@reddthat.com 6 points 6 months ago

The difficulty is likely deciding which genes to turn on and which ones to turn off.

What scientists are doing instead is taking corals that are demonstrating heat-resistance, propagating them in labs, and trying to introduce them back into the wild; it's a kind of directed evolution. The difficulty is lack of funding and keeping up with climate change.