It is also not just the US. Russia, Saudia Arabia, UAE and Iran are all petrostates, which have a long history of exporting war. Not quite on the same level as the US, but still a lot. When you add that up about half the wars are oil wars in this century.
Climate
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.
You might find https://adrianlambert.substack.com/p/the-thermodynamic-limits-of-human relevant.
In what way is it relevant? (I read the opening paragraphs, and do not see the connection.)
The relevance is in the assumpion is that renewable infrastructure can be built and maintained without fossils and that energy is fungible, so that electricity can substitute all fossil use and sustain a technological society in general.