Environment & Science

Inversion is a natural phenomenon that causes bottom water to flow up to the top surface and surface water to drop to the bottom. It's causing some households' drinking water to smell and taste different.

Participants in this year's D&L RaceFest, the largest yet, took to Lehigh Valley streets and trails Sunday. The day's top prizes both went to Easton residents.

The Lehigh Valley is parched, again. Here's what the region needs to get out of the drought that has led to burn bans and voluntary water conservation measures.

The Blue Mountain fire, also called the Gap Fire, erupted Saturday in Lehigh Township. It's now 100% contained, officials said.

The red flag warning is in effect from 8 a.m. to 6 p.m. Friday in both Lehigh and Northampton counties. It's the second red flag warning issued so far this month.

The fire erupted Saturday in Lehigh Township. Over the following days, the fire grew from 150 acres to almost 600 near the border of Northampton and Carbon counties.

Daniel Klem Jr., director of the Acopian Center for Ornithology at the college, on Saturday was presented with the Walt Pomeroy Conservation Award. His most recent study found 3.5 million birds dying every day in a 365-day period.

Easton Outdoor Company hosted the launch of the Elevate program, which aims to help outdoor activity-oriented businesses connect and thrive, on Monday, Oct. 29.

Firefighters battling a blaze on Blue Mountain expressed gratitude to the community for an abundance of donations — so many that they have advised people to hold onto their contributions as they have reached capacity for storage.

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

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week Megan talks to environment and science reporter Molly Bilinski and Northampton County reporter Ryan Gaylor.

The results of the 2023 citywide greenhouse gas inventory are in. The project was part of Penn State’s Local Climate Action Program.

Allentown has secured a $100,000 grant to continue participating in the Youth Climate Action Fund for 2025, supporting youth-led projects focused on climate change awareness, mitigation, and sustainability, while aligning with the city’s upcoming Climate Action Plan.

The National Weather Service issued the bulletin in effect from 2 a.m. to 9 a.m. Friday for freezing rain, with total ice accumulations up to a tenth of an inch possible.

Projects in Wilson and Easton will receive $225,000 in funding to support trails, parks, recreation and watershed initiatives.

Food & Water Watch on Tuesday held a rally outside Rep. Ryan Mackenzie’s city office in defense of the Environmental Protection Agency’s Lead and Copper Rule Improvements. A Republican congressman earlier this month introduced a joint resolution to repeal it.

Applications are open for the DCNR's Community Conservation Partnerships Program. Funding supports projects to develop new parks, rehabilitate existing spaces and protect vital natural habitats.

A farm in Lehigh County has tested positive for HPIA, according to a news release Monday from the state Department of Agriculture. A response team is in place and the farm has been quarantined, officials said.

This week, WLVR's Brad Klein explore The Pleiades, a prominent winter asterism, or group of stars that form a recognizable pattern in the night sky.

State officials announced the theme for this year’s annual tick-themed art contest, “Protect. Check. Remove.” Last year, there were no winners in the Lehigh Valley.

A cold snap that sent temperatures near historic lows brought record winter demand for electricity across numerous regional grids and service territories, including the Lehigh Valley.

Emmaus is one step closer to remediating two of its PFAS-contaminated wells. PFAS are also called "forever chemicals" because they are slow to breakdown in the environment and are linked to a variety of health issues.