Three western tribes, three states and the Mexican state of Baja California, have signed natural gas export agreements.

With cities in India and Pakistan ranking among the world's most polluted, new technologies must be adopted to tackle ...

Wind turbines under a moody sky were captured on an old enthusiast camera and its kit lens but wowed the judges of the HIPA ...

The current vehicle emissions standards under the EPA may be in danger because Congressional Republicans and President-elect Trump are taking a hard look at the standards.

Donald Trump spent much of his first term feeling stung and betrayed by those he’d placed in power. This time, he’s not ...