Environment & Science

The Allentown Environmental Advisory Council on Monday unanimously approved a letter and draft resolution, urging city officials to use non-chemical methods to dispatch invasive plants.

The Walking Purchase, a 1737 land grab perpetrated by William Penn's sons, shaped the Lehigh Valley as residents know it today. But, the land wasn’t actually purchased, as the name might suggest — it was swindled from the Lenni-Lenape.

On Watching the Skies, WLVR's Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire talk about possible signs of life on Mars, as seen by NASA's Perseverance rover.

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.

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.

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.

This week, the basics of watching what Juliet, that star-crossed lover, called the 'inconstant moon.'

Pushed by the pandemic, backyard gardens are hotter than ever. One Bethlehem man starts months before the weather is right.

No matter what we call it, hazardous heat is expected across the Mid-Atlantic and Northeast, according to the Weather Prediction Center.

Three farms in Lehigh and Northampton counties were the latest to be included in the state’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

Heat and humidity will build for the afternoon, heightening a severe weather risk for the Lehigh Valley on Friday, forecasters say. It comes before a heat wave arrives in the region next week.

For the first time in more than three decades, and at a cost of nearly $500,000, the Boardwalk at the Dorothy Rider Pool Wildlife Sanctuary.has been completely restored and made compliant with the Americans with Disabilities Act.

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.