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Why the EV Revolution Just Stalled - Patrick Boyle
(www.youtube.com)
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:

How much each change to the atmosphere has warmed the world:

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
Getting rid of diesel engines in trucking, agriculture and cargo ships is a hard engineering problem. Sodium might be cheap, but 40 MJ/l is a compelling argument.