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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In just the last year, the Trump administration has derailed an international carbon tax, boosted forecasts for oil and gas, and sought to silence an island nation’s climate campaign.

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From his remote cabin in the once snowier hinterlands above Gothic, billy barr tracks decades of warming, snow-starved winters

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It may take more time to hit some of the targets set by New York’s landmark climate law. But retreat from the existential threat of global warming is not an option.

I note that this editorial contains a factual error: the lawsuit over the NY climate law is a result of Hochul failing to implement it, rather than the other way around.

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The $5 billion project in the Gulf of Mexico is expected to help produce up to 10 billion barrels of oil by the end of this decade. Critics say it could endanger people and marine life.

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US solar capacity installations fell 14% in 2025 compared with the previous year

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Underlying this is a jet stream gone wild, Maue and Chenard said.

The jet stream is the river of air that moves weather from west to east on a roller coaster-like path. Usually, the plunges are as mild as a kiddie roller coaster. But now that jet stream is barreling down near-vertical, scream-inducing drops, followed by straight-up ascents.

“Which means you get a lot of extremes next to each other,” Maue said. Storm fronts coming from the Pacific hit that high pressure heat dome in the Southwest and are pushed north to climb that mountainous jet stream peak, “grab access to that cold air reservoir up there” and bring it back down south down the other side of the hill, he said.

Numerous studies have connected unusual jet stream and polar vortex activity to shrinking Arctic sea ice and human-caused climate change.

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Republican lawmakers are advancing legislation that would shield major polluters from legal accountability for climate change harms.

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Archived copies of the article:

The papers are here and here. The first paper is paywalled, the second is open-access.

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