Sublette measures levels that clean-air advocates say should trigger controls, but state regulators demur saying rules are unclear.
Pinedale resident says the people want clean air to breathe; urges U.S. senators to retain BLM methane rule
It’s time for Wyoming and EPA to expand air-quality protections across the state and the country.
The National Park Service wants U.S. EPA to set a more protective standard for ground-level ozone pollution to minimize impacts to plants and ecosystems.
Emissions from wastewater recycling at oil and gas drilling sites likely contributed to a string of high-ozone events in the winter of 2011 in Wyoming's Upper Green River Basin, according to a study released this week.