DENVER (AP) — The Colorado attorney general asked the state Supreme Court on Thursday to settle a dispute over how much weight public health and the environment should have in regulating the booming oil and gas industry.

Attorney General Cynthia Coffman asked the justices to review a decision by Colorado's second-highest court, the Court of Appeals, that said health and environmental protection should have a higher priority than regulators currently give it.

That could significantly change Colorado's long-running battle over the proliferation of hydraulic fracturing wells near fast-growing urb...