AI advances may frustrate U.S. climate goals as electric demand surges

Not before humanity is generating a surplus of renewable energy. Until then AI & Crypto would just be delaying the decarbonizing of other industries by hogging a limited production.

would only work in the specific country that implemented that law (assuming it gets enforced) – and the crypto and AI companies would promptly off-shore their server farms …

If time-matched, additional, and you banned proof of work cryptocurrency, sure