this post was submitted on 27 Mar 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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Canada Had Designs on Being a Hydro Superpower. Now Its Rivers and Lakes Are Drying Up. (www.wsj.com)
submitted 8 months ago by silence7 to c/climate
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Canada bet heavily on hydro as a means of cleaning up its carbon footprint; it is the third-largest hydroelectricity producer in the world. But with the climate becoming markedly drier in recent years, Canada’s utilities are now investing hundreds of billions of dollars to diversify their grids, in some cases leaning on power plants fueled by gas or coal to meet mushrooming demand.

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[–] MrMakabar 6 points 8 months ago

Canada consumes more primary energy from renewables per capita, then the UK consumes primary energy of all forms per capita. Canada has to lower energy consumption to a reasonable level and it is going to be fine.