https://www.scientificamerican.com/article/scientists-concerned-over-u-s-environment-agencys-plan-to-limit-animal-research/

The U.S. Environmental Protection Agency (EPA) is trying to sharply reduce its use of animals in toxicity tests. Many scientists and environmentalists say the move is premature and could undermine chemical regulation.

In a memo to staff, EPA administrator Andrew Wheeler said that the agency would make use of “cutting-edge, ethically sound science” that does not rely on animal testing.