Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

The United States generates more food waste than all but two countries. To address this, the federal government set a goal to ...

Pennsylvania’s municipal water and wastewater authorities have local control over operations, but they don’t go unchecked.

A new study suggests a link between high levels of fluoride and lowered IQ. It's heating up arguments over fluoridating ...

Industry officials warn of widespread economic damage on par with some of the biggest fire disasters in recent memory.

Pittsburgh-headquartered EQT has launched a campaign to “unleash” liquefied natural gas exports. Trump may provide a boost, ...

Punjab Chief Minister Maryam Nawaz Sharif has directed Environmental Protection Agency to implement modern system to tackle ...

After staying flat for nearly two decades, electricity use is starting to rise again, and the boom in wind and solar power ...