Environment & Science

It's the third time the Delaware River has won the title. Previous wins were in 2002 and 2017.

Some salt sheds across the region could be down to their final grains, officials said Thursday, as reports of a rock salt shortage spread through the region and well beyond.

The state's dairy industry has officially reached "HPAI-free" status after rigorous testing in Pennsylvania dairy cattle for highly pathogenic avian influenza. Other states have detected bird flu in their cattle though, so the state will continue to monitor and test cattle.

Sarah DeGrendel was recently hired as the city’s first sustainability manager. The position focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

Months after a fire tore through Blue Mountain, the community continues to support the fire departments who helped battle the blaze. This time, that support comes in form of monetary donations.

This week on Watching the Skies, a look at efforts to preserve the artifacts that remain on the moon’s surface.

A pair of river otters at the Lehigh Valley Zoo offered their predictions for the winner of Super Bowl LIX during the zoo's annual Otter Bowl. Eagles fans may not like it, depending on their perspective.

The winter weather advisory will run 3 p.m. Saturday to 6 a.m. Sunday, with mixed precipitation expected in the Lehigh Valley and across the region.

St. Luke's University Health Network on Friday launched an email helpline for residents with questions about avian flu. No human cases have so far been recorded in Pennsylvania.

The Valley’s two major health networks are preparing for an increase in bird flu in people. Cases have been generally mild, with none reported so far in Pennsylvania.

This week, PennEast Pipeline said it would stop developing a proposed pipeline from Pennsylvania to New Jersey.

Allegheny County has a new rule on the books aimed at lowering air pollution levels during weather events that trap industrial fumes near the ground.

When the glaciers retreated 13,000 years ago from northwestern Pennsylvania, eight natural lakes were left in their wake. The ones that have become popular, like Conneaut and Edinboro lakes, have vacation homes, resorts, and farms nearby. But one lake stands out as a jewel of the region: Lake Pleasant.

A new study from Penn State shows Pennsylvania could avoid billions of dollars in health damages by joining a regional cap and trade program targeting power plant emissions.

Pennsylvania is a top destination for people who travel to take pictures of fall foliage who are also known as “leaf peepers.”

BETHLEHEM, Pa. - People around the region are still cleaning up from flooding after last week’s severe storms. Joe Kozacheck, co-owner and president of…

Up until a few years ago, some municipalities used wastewater from oil and gas drilling as a cheap way to keep dust down on unpaved roads. Several state lawmakers would like to allow the practice again.

BETHLEHEM, Pa. - Flood waters took the life of the father of a Moravian University student Wednesday as he was heading home from a college volleyball…

Emergency teams in Northampton County are in “recovery mode” following multiple water rescues, road closures and power outages throughout the county.…

Pennsylvanians may see rivers and streams hit their high water levels in the next few days. State officials are still tallying the damage from Tropical Storm Ida, but they say the commonwealth could be in for more flash floods in the future.

Tropical Storm Ida passed through our region Wednesday, dumping up to 8 inches of rain in some places.

Rescue crews made thousands of water search operations in Pennsylvania Wednesday as Tropical Storm Ida dropped up to 8 inches of rain across the state.