Environment & Science

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.

The U.S. Environmental Protection Agency on Tuesday released the results of the agency's "7th Drinking Water Infrastructure Needs Survey and Assessment." Pennsylvania ranked only behind Florida, Illinois and Ohio for the most lead service lines.

The National Weather Service said there will be “no relief” to ongoing drought and fire concerns, with record-challenging temperatures expected by midweek across the Lehigh Valley and the rest of the mid-Atlantic region.

Celebrating a year of space facts and fun sightings to look for.

State environmental officials are calling on residents to nominate their favorite waterway to be 2025 River of the Year. The effort aims to elevate public awareness of specific rivers and recognize important conservation needs and achievements.

Lehigh and Northampton counties are in a drought watch due to persistently dry weather. The Lehigh County Authority is asking residents to start conserving.

A red flag warning is issued when the risk of fire danger is highest. The warning is in effect until 7 p.m. Friday.

The U.S. Drought Monitor on Thursday showed all of the Lehigh Valley in either “moderate” or “severe” drought.

At a hearing at Nitschmann Middle School in Bethlehem, concerned residents voiced worries about what could happen in the case of a train derailment of hazardous material.

This week on Watching the Skies, WLVR's Brad Klein and Bethlehem's Backyard Astronomy Guy Marty McGuire talk about the upcoming new moon, just in time for Halloween.

Lehigh and Northampton counties and surrounding areas ripe for easy-starting potential fire situations.

PennEnvironment's 2024 “Renewables on the Rise” report ranks every state for the production of wind energy, solar power, energy storage and other metrics over the last decade, tracking growth.

Plainfield Township supervisors voted to consider a zoning change that would pave the way for the Grand Central Landfill to expand. It's the first of many, many steps in the process.

Covering 187 acres in Salisbury and Upper Saucon townships, the sanctuary has seven different trails, and is the conservancy’s ninth nature preserve in the Lehigh Valley.