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.

A buildup of summerlike heat could set the stage for stormy weather in the Lehigh Valley and surrounding areas over the next few days, forecasters warn.

Officials at Waste Management’s Grand Central Landfill Education Center on Monday held an education celebration. Visitors got to see eight of the center's hives and taste-test honey.

On May 23, the orange-red star will appear to be very close to the full moon as it rises in the southeast. Seen from the Lehigh Valley, after the Sun sets, Antares will appear very close to the rising Moon.

Inspired by battery fires in the Lehigh Valley and across the state, the bill would put the onus on manufacturers to provide safe recycling options for lithium ion batteries, as well as launch an education campaign for residents.

Lehigh Valley Transportation Study officials laid out the next steps to getting the process started for resuming passenger rail service in the Lehigh Valley — if that's what they choose to do.

The Da Vinci Science Center in Allentown is reopening next week and showing off a new 67,000-square-foot facility that includes cutting-edge technology and immersive experiences.

A program at Rodale Institute aims to develop a diverse pipeline of highly skilled professionals to serve the certified organic industry throughout the state. Pennsylvania is third in the nation for organic commodity sales.

East Stroudsburg University’s resident astronomer is leading a stargazing program at Louise W. Moore Park. It's is free and open to all ages 6 and up, but registration is required.

The parcel was manifested as “pieces of silk to be used in works." It was seized at Philadelphia International Airport and headed for northeast Pennsylvania.

While parts of the Lehigh Valley were able to get a glimpse of the Northern Lights over the weekend, weather conditions kept many from being able to enjoy the show. Now, the solar storm the pushed the aurora to the lower latitudes is waning.

WLVR’s Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week it's all about the star Regulus, which is part of the Leo constellation.

Christopher Sipos remembers his late-grandmother's love of birds but was pleasantly surprised to find her collection of antique baking soda trading cards that feature the feathered beauties.