Environment & Science

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.

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.

After almost a decade with the same trash hauler, the city’s contract is expiring. Now, city trash is collected twice a week.

WLVR's Megan Frank talks with journalists Molly Bilinski and Jason Addy.

Applications open Monday for the 2024 Lehigh Valley Greenways Mini Grant Program and are accepted until 4 p.m. March 8. The grants are earmarked for conservation efforts in Lehigh and Northampton counties.

A 605-pound black bear harvested in the Lehigh Valley has ranked one of the largest in the state to be bagged during its most recent season, and was the sixth-heaviest bear in Pennsylvania for 2023.

Bethlehem City Council on Jan. 17 unanimously approved $88,802 to be put toward the designs of Phase II improvements along the Monocacy Way Trail.

There’s good news ahead for the Lehigh Valley, as temperatures are expected to get progressively warmer each day this week, with "no additional replenishment of arctic air from Canada."

Orion is one of the easiest constellations to identify because of the three stars that make up the hunter's belt.

U.S. Sen. Dave McCormick appeared at Lehigh University on Friday for a "fireside chat" in which he shared his vision to bring AI infrastructure investment to Pennsylvania — and win an "existential battle" with China.

The Environmental Advisory Council heard about Nurture Nature Center's CREATE Connections program, aimed at engaging residents through outreach, events and education centered on climate action plans both in the city and Easton.

The zoo held a ribbon-cutting at the Fred & Anne Jaindl Family Barnyard and St. Luke's Children's Hospital Playground Wednesday, marking the completion of phase one of its Children's Activity Area project. The two spaces now are officially open to the public.

The last supermoon of the year soon will shine in December skies. When a full moon is closer to Earth in its orbit, a so-called supermoon happens.

Lehigh Valley Shift4 founder and billionaire spacewalker Jared Isaacman urged senators on Wednesday to take swift action on his bid to lead NASA, after being yanked and then renominated by President Donald Trump.

The winners, a married couple from Berks County, have served as Berks County 4-H leaders for more than 30 years as well as helping with the Lehigh County 4-H Livestock Club.

Plans to upgrade the pocket park, at 1030 Bushkill St., include adding educational stations, such as a weather station and a sundial, as well as planting a nano-forest.

Cricket Wildlife Rehabilitation Center shared an update about the last escaped African serval on its Facebook page. While two of the three wild cats were captured and brought back to the wildlife center, the last remained on the loose for nearly a month.

Meteorologist Bobby Martrich of EPAWA Weather Consulting highlighted the area as one to watch, thanks to the setup of a “thermal gradient” or baroclinic boundary as the storm moves through.

This week, Brad Klein shares his thoughts about the commonly heard phrase, "meteoric rise."

The Lehigh Valley is under a winter weather advisory from 4 a.m. to 1 p.m. Tuesday, with total snow and sleet accumulations of 2 to 5 inches expected, with the greatest amounts at higher elevations.

While the program has expanded into the Lehigh Valley over the past few years, and is growing in popularity, officials said demand has also increased this year as federal programs and initiatives were canceled or paused.