Environment & Science

Heat index outlooks — projecting what it feels like outside with the heat and humidity combined — push feels-like temperatures near triple digits between June 17-21 and top 100 degrees in the Lehigh Valley between June 19-25.

More than two dozen state legislators, including one from the Lehigh Valley, have co-sponsored HB2238, which would eliminate the use of per- and poly-fluoroalkyl substances, or PFAS, in household products.

Allentown Environmental Advisory Council members on Monday night voted unanimously to submit comments to city officials on a proposed overhaul of zoning regulations, including eight recommendations.

Northampton County's Parks and Recreation Division and the Lehigh Valley Greenways Conservation Landscape celebrated big anniversaries Monday during the Greenways Jamboree Monday at Wayne Grube Memorial Park.

State officials are holding a virtual town hall meeting Wednesday for residents to share their feedback on the Bureau of Forestry’s newest strategic plan. Here's how to participate.

The weather pattern this week will be a tale of two halves, with sunny skies and comfortable temperatures before things heat up in a big way. The region's first heat wave could also be looming, forecasters warn.

In this week's Watching the Skies, Brad Klein and Marty McGuire talk about how China landed a spacecraft on the far side of Earth's moon on June 1 to gather rock and soil samples.

The release is the first of a long list of fun summer activities planned for young readers at the library.

Officials gathered at the Lehigh Valley Zoo Thursday evening for a ribbon cutting to celebrate the opening of Rothrock Red Panda Peak. It's the first time the zoo has had red pandas in residence.

The complaint alleges Sunshine Act violations from the township supervisors and legal filings from the township solicitor with no official approval beforehand.

More than 130 people attended the panel, which focused on efforts across the state to tamp down on light pollution, not only to benefit star-gazers, but for fireflies and migrating birds, too.

Twenty-seven city restaurants and eateries have so far responded to a single-use plastics survey.

As the system moves off the Carolina coast and begins to strengthen and lift northward, impacts farther inland — particularly in the Lehigh Valley — are not expected to be overly hazardous.

Martin Guitar welcomed guests from across the music industry to talk about protecting the environment at its first Sustainability Summit on Thursday.

Veronika Vostinak, Allentown's sustainability coordinator, on Wednesday gave a hourlong presentation to the Lehigh Valley Environmental Advisory Council Network on her experience with plastic reduction efforts, targeting single-use foodwares and reusables for dine-in.

While a full report is expected next year, researchers behind Lehigh Valley Breathes have released a data analysis, which includes three comparisons looking at fine particulate pollution across eight monitoring locations.

The Environmental Advisory Council on Tuesday unanimously voted to send City Council a letter stating the EAC’s intent to work on a dark skies ordinance and urging city officials to consider collaborating, then adopting it when the time comes.

A reinforcing cold front has triggered a freeze watch in the Lehigh Valley from Thursday evening through Friday morning, bringing our coldest overnight temperatures since mid-April.

State environmental officials are calling on residents to nominate their favorite waterway to be 2026 River of the Year. The effort aims to elevate public awareness of specific rivers and recognize important conservation needs and achievements.

Between changes in federal policy and an unprecedented demand for energy, it's a tough time for sustainability. An hour-long panel Monday with industry experts focused on how to address those changes.

Days of temperatures in the mid to lower 80s will be wiped out by a cold front later this week, forecasters say, ending a bonus stretch of warmth and finally ushering in classic fall weather in the Lehigh Valley.

This week on Watching the Skies, WLVR's Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire dive deeper into the details of the upcoming Lehigh Valley Space Fest. The event will take place at Lafayette College Oct. 11-12.