The Trump administration said on Tuesday it will rescind the long-standing finding that greenhouse gas emissions endanger human health, removing the legal foundation for all U.S. greenhouse gas regulations.

The long-expected move comes after Republicans recently disarmed fuel economy standards and canceled influential state-level emissions rules.

The Trump administration has effectively eliminated two rules designed to promote cleaner cars. Now, as the EPA suggests not considering carbon dioxide to be pollution, the last is poised to fall.