emissions

Oil and gas advocacy groups said companies are struggling to comply with newly in effect methane regulations. The Obama-era rule aims to reduce leaks and…

Wyoming’s carbon dioxide emissions per person decreased 10 percent from 2005 to 2015 but the state still has the highest emissions level in the country.…

The Environmental Protection Agency on Tuesday signed a proposal to repeal the Clean Power Plan — President Obama’s signature climate change legislation.…

The Department of Interior, or DOI, plans to begin the process of changing the methane rule that’s currently in effect, and possibly end it permanently.…

Here’s a simple recipe for ozone: mix hydrocarbon and nitrogen oxide chemical compounds in the air, and add sunlight.“The sun comes out and cooks this…

The energy futures of Wyoming and California are becoming increasingly intertwined. Late last month, California Governor Jerry Brown announced that he’s…

Over two decades ago, Wyoming surpassed Kentucky as the country’s number one coal producing state and has kept that title ever since. The steady and sharp…

The Wyoming Department of Environmental Quality has proposed new rules for controlling emissions from oil and gas operations in the Upper Green River…

Several years ago, there were days when air pollution in Pinedale was worse than in Los Angeles. Residents complained of respiratory problems, and visits…

We’ve reported often on the effects that energy production can have on air quality. The most obvious example is Pinedale, where federal ambient air…