Environment & Science

The Pennsylvania Invasive Replace-ive Program encourages property owners to remove invasive plants by offering native replacements, for free, during events in May throughout the state.

This week, a surprise twist on the total lunar eclipse visible from the Lehigh Valley in the early morning hours of Friday, March 14th.

An invasive insect known for its voracious appetite that can defoliate millions of acres of forest, spongy moths have been an annual blight on the Valley and the rest of Pennsylvania for decades.

Formed in 2008, local weekend event in May features separate day of beer and wine tastings, followed by a for-kids-only day of art and science fun.

Center officials on Thursday opened the doors of its visitor and education center to highlight the building’s sustainable features. The Osprey House is an example of the opportunities nonprofit organizations can realize when it comes to energy efficiency, officials said.

A rehabilitation project on the Route 873 Lehigh Gap Bridge, which connects Washington Township, Lehigh County, and Lehigh Township, Northampton County, begins Thursday.

The inaugural meeting of the PA Road Salt Action Working Group was held Tuesday afternoon. The group aims to reduce salt pollution as well as promote responsible road salt application practices statewide.

Brad Klein and Marty McGuire look at the eight planets in our solar system, and discuss what it takes to see them in the night sky.

Eric Mintel recently led an paranormal investigation at Miller Symphony Hall. It comes right before the second Bucks ParaCon, set for March 8.

Allentown received a $100,000 grant from Bloomberg Philanthropies to continue funding youth-led climate action projects this year.

For almost a century, hikers have trekked the Appalachian Trail, the world’s longest hiking-only footpath. A thru-hiker documenting her trek on social media recently stopped in the Lehigh Valley.

The National Weather Service has issued a heat advisory and excessive heat watch for the Lehigh Valley and southeastern Pennsylvania. The heat advisory will be in effect from Sunday into Monday. Then the temperature really turns up, with heat indexes in triple digits.

The position, budgeted for one year after the annual process turned contentious, focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

The start of Lehigh Gap Nature Center’s annual hawk watch is just over a month out, and preparations are well underway. A tradition in its 64th year, volunteers count birds of prey as they migrate along the raptor "superhighway" in the Lehigh Valley’s backyard.

The National Weather Service posted a flood watch starting at 6 a.m. Friday for the Philadelphia region and its suburbs.

Funding was awarded through the Lehigh Valley Greenways Mini Grant Program. The program aims to protect and promote natural resources through the implementation of ready-to-go, single-year projects.

With other communities around the state adopting bans on plastic bags, Lower Saucon could be on its way to something similar. if approved, it would involve a transition process to show shoppers the bigger picture and give time for businesses to properly offload plastic bags on hand.

The National Weather Service expanded an excessive heat warning into the Lehigh Valley on Wednesday, calling for dangerously hot conditions with heat index values up to 105 degrees. A severe weather threat will follow.

Allentown and Easton have been paired with an engineering company to reduce energy costs and greenhouse gas emissions. It's Allentown's first time, but Easton's second, in the program.

As of Tuesday, the Lehigh Valley was suffocating in its thirteenth day of 90-plus temperatures this summer, well on the way to surpassing the average of 14.42 days in the 90s for records that date back to 1912.

The Northampton County Coroner has identified an individual who drowned and later died due to complications of drowning after spending time on the Delaware River this past weekend.

Environmentalists say the Lehigh River is the cleanest its been in 175 years. A river snorkeling program at Lehigh Gap Nature Centers encourages residents to explore their local waterways and track river health.