this post was submitted on 11 Sep 2023
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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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Biden says global warming topping 1.5 degrees in the next 10 to 20 years is scarier than nuclear war (www.cnbc.com)
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What Biden has done is to cut the issuance of drilling leases to the minimum required by law, pass the Inflation Reduction Act, enact a regulation to force vehicle electrification, and similarly force fossil fuels out of most power plants.

What Biden has not done: stop issuing drilling permits or impose export restrictions on fossil fuels. The former has some serious limits because of how the courts treat the right to drill as a property right once you hold a drilling lease, and the latter is simply untested.

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[–] Buelldozer@lemmy.today 11 points 1 year ago (1 children)

and we seem to be at the “fuck it, let’s ramp this up to 11” stage of self-extermination.

We do?

Here in the United States the amount of electricity generated by coal burning has dropped by 50% in the last 20 years and in that same time frame renewable energy has more than doubled. Greenhouse Gas emissions per capita were lower in 2020 than they were in 2000 and we now generate more energy from renewables than we do from coal.

https://usafacts.org/topics/energy/

We can argue that the changeover to renewables isn't happening fast enough but "fuck it, let’s ramp this up to 11" isn't happening at all, it's actually quite the opposite.

[–] vivadanang@lemm.ee 11 points 1 year ago

one part of the population is trying desperately to change the course, the other is rolling coal, opening new wells, spewing gigatons of methane from their fracking operations and standing around with their thumbs up their asses wondering why it's so damned hot now that a dem is in office.

the people trying to change the course won't make a difference once the bus has gone off the cliffside mate.