Environment & Science

As the assessment of damage and cleanup continues from last weekend’s storms, forecasters are warning of another overnight flash flooding risk for the Lehigh Valley.

WLVR’s Brad Klein speaks with reporter Julian Abraham about extensive damage caused by flash floods in parts of eastern Northampton County.

PPL on Tuesday afternoon hosted a webinar on its Deep Energy Retrofit Pilot program. Here's what Lehigh Valley homeowners need to know.

Five teams of volunteers competed Saturday to pick up the most garbage and litter from city streets. Here's who won.

Following heavy rainfall and flash flooding over the weekend, Northampton County Emergency Management Services is compiling an inventory of damages reported by municipalities.

The Lehigh Valley is under an air quality alert for the second straight day, but heavy downpours could wash out the smoke.

The “Take Action” campaign is designed to highlight connections for trail users through education and providing resources to boost engagement and opportunities to get involved and support the trail.

The heavy rains wreaked havoc on the region, already saturated by a round of storms last weekend. And more rain is expected this week.

With the strong possibility of more smoke this summer, the Valley's residents and event organizers are looking to the region’s leaders for guidance — but there’s no continuity or clear thresholds being imposed.

How much rain fell in the Lehigh Valley on Sunday, turning streets into raging torrents of water?

While monitoring continues, Lehigh Valley Breathes officials used the most recent project update to explain results from the research this spring at Lehigh University.

When all was said and done, May was the Lehigh Valley’s sixth consecutive warmer-than-normal month, with an average temperature of 63.4 degrees – or 1.4 degrees above normal. So what will summer bring?

Voyager 1 is now the furthest man-made object from Earth, having traveled to a distance of around 15 billion miles away.

During this year’s spring migration count, which runs from April 1 through mid-May, Hawk Mountain volunteers and staff tallied 1,001 birds of prey.

East Penn School District is seeking proposals for a potential solar farm near the Macungie and Shoemaker Elementary School buildings.

Northampton County Park and Recreation Division will host the Greenways Jamboree Celebration, marking their 50th anniversary, in tandem with the 20th anniversary of the Lehigh Valley Greenways Conservation Landscape Partnership and the 28th Annual Lehigh River Sojourn.

Three Lehigh Valley researchers are arguing bird-strike fatalities are much higher than we might think. They recently published a peer-reviewed study showing bird deaths from window strikes are nearly double previous estimates, and likely higher.

The colleges have formed a partnership to build and bring online a solar facility in western Kentucky. When completed, the facility will offset electricity usage at the institutions, effectively reducing greenhouse gas emissions from electricity generation to zero.

The main threat will come later Monday and Monday night with a cold front that creates the possibility of strong winds and hail – even a tornado, said meteorologist Bobby Martrich of EPAWA Weather Consulting.

Essentially a scholastic scrimmage for environmental science, the annual Envirothon combines classroom learning and outdoor activities to engage students in the environment. The state competition was held Wednesday at Camp Mt. Luther in Mifflinburg.

As residents and tourists explore the region’s many parks, bike trails and scenic overlooks — May is recognized as National Lyme Disease Awareness Month — health and environmental officials are cautioning visitors to check for ticks after their outdoor adventures.

A first-quarter log documents over 160 complaints from addresses in Lower Saucon, Hellertown, Freemansburg, Bethlehem Township and the outskirts of Easton. Landfill operators say they're responding.