Environment & Science

The Lehigh Valley is under a slight risk of excessive rainfall, with the Weather Prediction Center warning of localized and isolated areas of flash flooding Thursday into Friday.

Hosted by the Northampton County Conservation District, the Envirothon is scheduled for April 18 at Louise W. Moore County Park. Teams will be tested in a handful of different topics, including wildlife, forestry, soils and land use, aquatic ecology and a current environmental issue.

The Biden administration on Wednesday finalized strict limits on certain so-called “forever chemicals” in drinking water that will require utilities to reduce them to the lowest level they can be reliably measured.

The Pennsylvania Museum and Historical Commission will recognize the Allentown State Hospital — which was demolished at the end of 2020 — as a significant part of the Commonwealth’s history by awarding it an Official State Historical Marker.

The results of Lehigh Gap Nature Center's 27th annual Lehigh Gap Area Feeder Watch are in. Find out what birds were spotted.

An extended view of the total solar eclipse that was promised in the Lehigh Valley on Monday afternoon never materialized due to thick cloud cover, disappointing many of the approximately 1,000 at The Promenade Shops at Saucon Valley.

It's solar eclipse day. Here are a few final things to know as we count down to the cosmic spectacle that has been dominating the public consciousness.

Despite the cold weather, dozens of anglers showed out to the Little Lehigh Creek in Allentown to mark the first day of trout season in Pennsylvania. The Fish and Boat Commission has been hard at work populating local waters with trout since February.

An earthquake rattled the Lehigh Valley and the greater Mid-Atlantic on Friday, with social media instantly blowing up. The U.S. Geological Survey said the earthquake was centered in Hunterdon County, New Jersey — about 35 miles from Bethlehem.

A 4.8 magnitude Earthquake in New Jersey was felt throughout the Lehigh Valley Friday morning, but why is that? Meteorologist Matthew Cappucci helps explain how the ancient crust of the east coast played a part in the quake.

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

This Sunday, Nestor Gil will premier his new work, LaJiraGira, at the Karl Stirner Arts Trail. The piece focuses on how simple concepts can be interpreted through the lens of art.

WLVR's Megan Frank talks with reporter Will Oliver and managing producer Stephanie Sigafoos.

Wells Fargo Festplatz will host opening ceremonies Friday for Musikfest’s 40th year, but severe weather is targeting the region.

Called “Lehigh Valley Breathes,” the more than $100,000 project includes installing 40 PurpleAir monitors throughout the region. Officials plan to collect data for a year.

The update on the damage from the severe flash flooding that struck on July 16 has seen more municipal and residential damage costs.

A completely dry stretch of weather is almost unheard of this time of year, said meteorologist Bobby Martrich of EPAWA Weather Consulting, the official forecaster of Musikfest.

Pennsylvania may not be the most vulnerable state during the Atlantic hurricane season, but emergency planners were particularly blunt Monday about the dangers it faces.

The center's annual Bake Oven Knob Autumn Hawk Watch begins in just over two weeks. Officials are hosting an informational Zoom session at 7 p.m. Aug. 9 to share the history of the count and volunteer opportunities, as well as how to count migrating raptors and some tips for identification.

While the Canadian wildfire smoke is only the latest threat, experts and professionals said there are ways to monitor and improve the indoor air residents are breathing.

In the Lehigh Valley, one vape is thrown away every 105 seconds. When they end up as litter or in landfills, hazardous materials can leach into soil and contaminate groundwater.

Extending from Allentown to north of Coplay, the gap, made up of two main sections delineated by the Lehigh River, is expected to be closed in a little over a decade, officials said.