this post was submitted on 17 Jun 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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Construction equipment is going electric. Here’s what it’s like behind the wheel. (wapo.st)
submitted 1 week ago by [email protected] to c/[email protected]
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I tested a 55,000-pound electric excavator. New ways to power off-road machines, which mostly run on diesel, could cut about 3 percent of U.S. carbon emissions.

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[–] JoshuaFalken 3 points 1 week ago

I see what you're saying, but it wasn't too long ago a similar sentiment was said of motorized construction and farm equipment.

Ultimately, if each piece of equipment had a viable electric alternative that would operate all day without needing a charge, it wouldn't take that smart of a bean counter to realize there were a lot of savings to be had if they started projects with an electrical charging area for the new equipment that could potentially be repurposed for customer or resident charging once the job was done.

It would become an anticipated start-up cost, similar to the transport of the equipment itself, delivery of materials, set up of portable offices and toilets and the like. Obviously this would be out of reach for a small operation, but a company that's building out row houses or shopping centres I could see making the switch.