At the same time, the US is the main force fighting against carbon neutrality, renewable energy and pretty much anything reasonable. By directly burning a lot of fossil fuels and by lobbying and poisoning discourse in other countries.
Meanwhile China is by far the biggest producer of anything related to renewable energies and installing more renewable energy than the rest of the world, by far.
If anything, the work done worldwide does no matter (it still does though) because USA is doing their best to destroy the planet.