Environment & Science

Earth is circled by roughly 11,000 working satellites and thousands more that have outlived their working lifespan but are still in orbit.

South Whitehall Township commissioners passed the Kline's Island Sewer System Act 537 Plan at their Wednesday meeting, setting in motion a multiyear project to help manage the treatment plant's capacity. It serves numerous municipalities.

North Whitehall Township's planning commission reviewed a proposal for a developer seeking special exception for a new solar field along Egypt Road at their Thursday meeting.

The two cultural institutions collaborated to offer a conjoined professional development experience for educators at the charter school.

Northampton County's Return on Environment report won't come out until the fall, but early findings support the notion that local open spaces provide financial and health benefits for residents.

West Nile virus is endemic to Pennsylvania, including the Lehigh Valley. While human cases this year remain low, officials are still urging residents to avoid mosquito bites.

This week, although the Perseid meteor shower has passed its peak, it’s not too late to see a "shooting star."

Lehigh Gap Nature Center’s Bake Oven Knob Hawk Watch is back for another season. Officials are seeking volunteer observers and counters.

The Allentown Environmental Advisory Council on Monday discussed but did not vote on the draft letter, addressed to members of City Council.

Threatened due to habitat loss and other factors, purple martins in the Lehigh Valley depend on man-made bird houses. For the first time, they've taken up residence at St. Luke's Arboretum in Bethlehem Township.

State Sen. Lisa Boscola, D-Lehigh/Northampton, sponsored the bill. Any money collected will go toward bald and golden eagle conservation efforts.

Easton City Council heard presentations for improvements intended for Vanderveer and Centennial Parks at their Wednesday meeting, and while the refreshed spaces were well received, the question of cost is still a concern.

Showers and storms entering the region early Wednesday could produce gusty winds and heavier rainfall, the National Weather Service said. But clouds will clear as temperatures soar by the afternoon.

More than a dozen wild birds in Pennsylvania have so far been confirmed to have the strain of highly pathogenic avian influenza, or HPAI. The threat to humans is low.

In the April update for Lehigh Valley Breathes, a regionwide effort to monitor air quality amid emissions from trucking and warehousing, officials explained new EPA soot standards and how they could impact the project.

The Lehigh Gap Nature Center took to social media Monday to alert visitors and hikers to "use caution" with pets after dog treats were found with fish hooks planted inside them.

The spring migration count at Hawk Mountain began last month. One-day peak counts reach more than 100 birds in mid- to late-April, with this season’s count continuing through May 15.

This week, Brad and Marty discuss images that McGuire acquired from India’s space program. The images show the first steps by man on the moon.

Pennsylvania Master Naturalist is partnering with the Lehigh County Conservation District to host a Master Naturalist Volunteer training. The course aims to bolster local conservation efforts.

A Montour County environmental educator, arborist and musician is attempting to climb the tallest tree at the highest point in each of the Commonwealth’s 67 counties.

One person who consumed raw milk from Apple Valley Creamery in East Berlin and became ill, officials said. The milk is sold in three Lehigh Valley locations.

The annual scholastic competition combines classroom learning and outdoor activities to engage students in environmental science. The state competition is scheduled for May 22 in Mifflinburg.