Environment & Science

PennEnvironment launched an interactive map of efficient and renewable energy projects across the state. Here are the Lehigh Valley projects included.

Almost 100 volunteers on Saturday picked up litter at Monocacy Creek. Organizers said there was "lots of camaraderie” and enthusiasm.

The Allentown Environmental Advisory Council is examining three of the city's largest buildings to identify potential opportunities to boost efficiency and cut costs.

Lehigh Valley residents eager to begin their spring gardening are looking toward the last frost and freeze dates for the area — but they'll have to be patient.

Ruth Santiago, an attorney and environmental activist in Puerto Rico, is returning to the Lehigh Valley this month to speak to students and residents about alternative electrical systems and environmental equity amid climate change.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

The commonwealth is getting $265.9 million in federal funding to upgrade its aging water infrastructure. The state has the fourth most lead pipes in the nation, according to a recent EPA survey.

The spring migration count at Hawk Mountain has begun. So far this season, 137 birds of prey have been recorded.

Allentown’s Cedar Creek Park was covered Thursday in lesser celandine, a low-growing, mat-forming flower that’s been flagged by the Department of Conservation and Natural Resources.

It’s not unprecedented, but it is a little bit too early for the kind of warmth the Lehigh Valley will see next week, said meteorologist Bobby Martrich.

PennFuture and the Delaware Riverkeeper Network earlier this month realized a win in their case against the Transcontinental Gas Pipe Line Company, or Transco, and the state Department of Environmental Protection.

North America’s smallest falcon is threatened due to habitat loss, as well as other factors. A conservation project at Waste Management's Grant Central Landfill near Pen Argyl seeks to boost conservation.

Weeks after a dam was removed from the Bushkill Creek in Easton as part of a years-long effort to improve stream health, officials continue to restore its banks. A stabilization project will close the bridge for several hours on weekdays over the next couple weeks.

Norfolk Southern responded to an investigation inquiry into the July 5 freight train derailment near the Hill-to-Hill Bridge in Bethlehem, chalking it up to human error.

The city was awarded the grant through the WalkWorks program. Officials now have $35,000 and a year to create an Active Transportation Plan aimed at bolstering connectivity across the city.

Dr. Jana Houser specializes in radar analysis of tornadoes and the supercell thunderstorms that produce them. She recently served as a consultant on "Twisters."

The National Weather Service warns the week has a good chance to be one of the wettest of the summer thus far, with the potential for showers and storms daily through Thursday.

A pair of women with a lengthy history connected to cows have joined up to create La Farm Girls, an Easton-based location where visitors can book sessions for cow cuddling.

Pluto is perfectly positioned in orbit this week. While it's too small for us to see even with a decent telescope, NASA has us covered.

Development has divided wildlife habitats across Pennsylvania, leading to more vehicle-animal collisions. A new report from the state Legislature argues reconnecting the pieces through wildlife corridors would help.

The National Scenic Visitors Center’s “Earthwalk Explorer” exhibit is at the Banana Factory Arts and Education Center, 25 W. Third St., Bethlehem. The traveling, tactile exhibit is centered around a 3D map of the northeastern United States and is in town all next week.

Keystone Cement Co. in East Allen Township is renewing its hazardous waste permit with the state Department of Environmental Protection. Part of the company's plan is to change how it transports waste, from trucks to rail.