this post was submitted on 10 Aug 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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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[–] [email protected] 3 points 1 year ago (3 children)

it's not green energy use. it's just energy use. EV's predominantly run on fossil fuel energy in the US.

[–] Kage520 4 points 1 year ago

True. EVs plus those crappy fossil fuels power plants though are still more efficient at using energy, and thus better environmentally, than ice cars. We really need more nuclear and renewables here though. It's pretty bad and it doesn't have to be.

[–] [email protected] 2 points 1 year ago (1 children)

It’s the capability for green energy use, in a very energy-intense application. That possibility is not there with combustion engines.

We cannot have a green energy economy unless all the usage endpoints consume clean energy rather than hydrocarbons.

[–] [email protected] 2 points 1 year ago (1 children)

most things that use energy are capable of using green energy, you wouldnt call an investment in a coffee machine company a green energy investment. We need the green energy first.

[–] [email protected] 3 points 1 year ago

Anything that already runs on electricity isn’t really part of the discussion then, because there’s no need to change anything at the point of use.

A better analogy to the car thing might be investing in (or subsidizing) heat pump production over natural gas furnaces.

[–] [email protected] 1 points 1 year ago

Everyone having a hard ime on this, EV are not green energy production, widhout green poweplants very little changes with more EVs.