Las Vegas’ sweltering summers are driving up energy costs, worsening air quality and making people sick. It’s time for Nevada’s leaders to take smart, long-term actions to protect our health, reduce ...

Trucks: These are the vehicles responsible for most of our air pollution. While medium to large trucks represent only 6% of ...

"So far, the impact has been more positive than expected." NYC's controversial congestion pricing policy is four months old — ...

Hydrogen-powered cars, also known as fuel cell electric vehicles (FCEVs), represent a promising alternative to traditional ...

The Trump administration has directed agencies to stop estimating the economic impact of climate change when developing ...

Malibu became a city in 1991 largely to block sewers and the rampant growth they threatened to bring. The January wildfire ...