The air in 12 Texas counties exceeded federal soot standards, but Texas regulators say only four should face consequences.

California abandons clean truck, locomotive rules after Biden's EPA doesn't grant waivers needed to depart from federal rules ...

New EPA guidelines require new HVAC systems to use certain refrigerants, which will increase the cost of new systems by 30-50 ...

Things never seem to get cheaper and if you’re looking to replace an HVAC system in the coming year, your wallet is going to ...

From the time you get up in the morning until you go to bed at night, and even while you are asleep, the U.S. Environmental ...

The creation of the list of five toxic air contaminants is the result of a years-long effort from environmentalists and ...