Environment & Science

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.

There are plenty of ways to enjoy the natural features of the Lehigh Valley this spring.

Attendees at the meeting in Lower Saucon Township heard from a new expert witness: the traffic engineer who completed the respective transportation impact analysis.

Rain, strong winds and a severe weather threat have caused organizers of Bethlehem's Cherry Blossom Festival to postpone the event to Sunday.

Lehigh Valley residents might see low-flying planes over Blue Mountain through April 7 as efforts continue to remediate the Palmerton zinc pile superfund site.

Signs of spring are popping open around the Lehigh Valley, which means allergy season is here. The mild winter may play a role in how early and severe those allergies are.

Rodale Institute's board of directors announced Jeff Tkach, 43, of Lower Macungie Township, will serve as the nonprofit's new CEO. He'll take the helm of the Kutztown-based organic farming research and education organization starting April 21.

A chemical spill of a latex product late Friday in Bristol Township released contaminants into a Delaware River tributary, according to OEM officials.

The Lehigh Valley Zoo has three new African penguins, bringing its total colony to 14. As part of a species survival plan, zoo officials hope the birds will pair off a reproduce to bolster the endangered species.

Pennsylvania will again operate a water assistance program for low-income households behind in their water or wastewater bills, state officials announced last week.

With the Pennsylvania Department of Environmental Protection and federal Environmental Protection Agency at odds over the acceptable levels of 'forever chemicals' in public drinking water, it’s become an expensive and frustrating process for at least one Lehigh Valley municipality.

Spring arrives at 5:24 p.m. Monday and it will certainly feel like it for the first few days of the week, meteorologists say, with widespread sunshine and blue skies on tap.

A wind advisory is in effect until midnight for areas mainly near and south of the Interstate 78 corridor, where the weather service expects gusts of 40 to 50 mph by Tuesday afternoon, with potential for a few localized higher gusts.