this post was submitted on 06 Sep 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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Berkeley Plans New Strategy To Eliminate Methane (cleantechnica.com)
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On November 5, residents of Berkeley will vote on a ballot measure that proposes taxing the owners of buildings of 15,000 square feet or larger based on the amount of natural gas consumed each year. If passed, legal experts say this would be the first tax in the country to target the use of a specific fuel source for buildings. City officials estimate that the tax would apply to over 600 buildings in Berkeley and generate $26.7 million during its first year, an amount larger than the city’s annual sales tax revenue. Of those funds, 90% would go toward retrofitting homes and buildings in the city with electric HVAC and appliances, and 10% would go toward city administrative costs.

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