President Donald Trump's withdrawal from the entire United Nations climate-fighting apparatus takes America's environmental ...

The proposed 2-gigawatt Seminoe Generating Station near Rawlins would pair natural gas and wind power to boost Wyoming’s ...

Environmental groups are sounding the alarm on various issues going into this year’s legislative session, and holding out ...

Before you start your engines, here are 20 Arizona driving laws you might not know but definitely should learn if you want to ...

The Mexican state is entering the third stage of construction of a solar farm about 70 miles south of the Arizona border.

The Trump administration has given corporations plenty of convenient excuses to retreat from their climate commitments, with ...

If you're excited about AI’s potential, brace yourself: the climate cost could wipe out years of progress on emissions ...

Mercedes-Benz agreed to pay nearly $150 million to customers and U.S. states to settle claims that it cheated government ...

Arizonans saw the Grand Canyon fill with smoke and clean energy companies shutter, but celebrated resilient leaders and fewer heat deaths.

PHOENIX (KVOA) - Attorney General Kris Mayes and a coalition of 23 attorneys general, along with several cities and counties, have filed a comment letter opposing the EPA's proposal to rescind its ...

Arizona’s largest utility has scrapped its 2050 zero carbon goal, fueling uncertainty over the state’s energy future. (Politico) The utility’s sustainability plan has now been redrafted to target what ...

Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. The Bao Steel mill in the morning, in Baotou, Inner Mongolia, ...