WASHINGTON (AP) — The head of the Environmental Protection Agency said Thursday he intends to replace the outside experts that advise him on science and public health issues with new board members holding more diverse views.

In announcing the changes, EPA Administrator Scott Pruitt suggested many previously appointed to the panels were potentially biased because they had received federal research grants. The 22 boards advise EPA on a wide range of issues, including drinking water standards and pesticide safety.

"Whatever science comes out of EPA shouldn't be political science," said Pruitt, a...