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.

Easton's Environmental Advisory Council is looking to the future to address the potential needs for residents in the wake of global warming, even if net zero emissions are met.

Head Over Hooves Farm will run on a donation model through the month of February to encourage more visitors. The owners of the farm say the animals thrive on the socialization and enrichment the visits bring.

Learn more about Orion in this, the second of five segments about the constellation.

During the height of the COVID-19 pandemic, state parks across Pennsylvania were inundated with visitors.

State officials late last month 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.

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.

Punxsutawney Phil predicted early spring, but the experts say those declaring winter over are in for a rude awakening, with the risk for colder weather in the second half of February increasing.

More than $2 million was allocated to nine organizations across Pennsylvania to fund various research efforts, all linked to the state’s $132.5 billion agriculture industry.

Gus the bison is considered to be "Hellertown’s mascot," but to owner Nanette Keck, he’s also a cherished pet.

January brought above-average snowfall to the Lehigh Valley, but long-range outlooks have flipped the script in a big way. Will February bring the big storms snow lovers are longing for?

Twenty-seven air quality monitors have so far been placed for Lehigh Valley Breathes, a Valley-wide, year-long effort to monitor air quality amid emissions from trucking and warehousing.

The four Galilean moons — Io, Europa, Ganymede, and Callisto — that Galileo saw and named were discovered as he was looking through the very first telescope.