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.
In five separate projects, biologists document where deer go and why, even as development threatens to block their way.
Wyoming’s Air Quality Advisory Board hears conflicting views on Wyoming standards as feds move further to reduce ozone.
The Department of Environmental Quality has told QEP Resources, Inc. of its options to clean up the spill, which was discovered Oct. 26.
Democratic gubernatorial candidate Pete Gosar says there's more to Wyoming's energy challenges than simply suing EPA.