The Republican-led U.S. Senate voted overwhelmingly on Tuesday to remove a 10-year federal moratorium on state regulation of artificial intelligence from President Trump's sweeping tax-cut and spending bill.

About 1 billion tons of planet-heating carbon dioxide are set to be emitted in the US just from AI over the next decade if no restraints are placed on the industry’s enormous electricity consumption, according to estimates by researchers at Harvard University and provided to the Guardian.

Senators add exemptions for state laws targeting unfair or deceptive practices and child sexual abuse material.