the Uinta Basin’s ozone levels once again measured too high. While the 21 other regions that also failed that follow-up test faced heightened mitigation requirements, Utah requested and was ...

A University of Utah study reported high ozone levels can harm fetal brain development in places with heavy oil drilling and production, including Utah's Wasatch Front and Uinta Basin and Colorado ...

The project is designed to quintuple oil production in Utah’s Uinta Basin and move crude through the Colorado Rockies to Gulf Coast refineries. Today’s decision grants a “petition for certiorari” in ...

DENVER— Environmental and public health groups filed a motion Thursday to join a federal lawsuit defending the Environmental Protection Agency’s efforts to strengthen clean air safeguards in ...