Environment & Science

A sun-splashed Sunday may have felt like the beginning of summer, but temperatures Monday soared into record-breaking territory, the National Weather Service said.

This week, WLVR’s Brad and Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire discuss the planet Jupiter. All winter it has been among the brightest objects in the night sky. But soon it will disappear.

Two Lehigh Valley municipalities this year participated in Penn State’s Local Climate Action Program. Here's how the program works to create a greenhouse gas inventory and, from those findings, a climate action plan.

The National Weather Service said early next week will look to bring some of the warmest temperatures we have seen thus far in the Lehigh Valley.

More than $5.5 million is set to go toward non-point source projects in Bethlehem Township and over $2 million will cover wastewater improvements in Bangor Borough.

Pennsylvania's third most populous region received a "C" grade from the American Lung Association and ranked fourth-worst in the mid-Atlantic for ozone pollution. But, it's better than last year’s rankings in the annual "State of the Air" report.

The Lehigh Valley Comprehensive Planning Committee on Tuesday agreed to add new definitions for ordinances in Plainfield Township addressing the keeping and raising of chickens at residential properties.

Fahy Commons was named the first project in the world to achieve a rigorous sustainability certification for buildings that reward projects for more energy than they use. The 20,000-square-foot, three-floor building cost $13.2 million and opened to students last January.

This year, Earth Day falls on April 22. But for Lehigh Valley businesses that embrace more sustainable efforts, no matter the cost, it's just another typical Monday.

“Public Participation, Public Power: A Community Guide to Local Land Use Decision-Making in Pennsylvania" was released Monday. The almost-100-page guide includes explanations of state and local land use laws and more.

Texas-based pipeline builder Energy Transfer faces 48 criminal charges related to construction of its Mariner East pipeline project, including a felony count of failing to report pollution.

Electric vehicles are having a moment at the state capitol.

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.