Environment & Science

Less than a month after a strong, bad smell permeated through the city and surrounding areas for several days, prompting a state Department of Environmental Protection investigation, the odor has returned.

Lehigh Valley Breathes is behind schedule from the course established in August 2023. Here's what officials have learned so far — and how they plan to proceed.

The Lehigh Valley has been reshaped by a massive wave of development, both in industrial and residential, that has swept over the region the last three decades. While the development boom may be slowing, the impacts to the region’s economy and the environment are clear. (First of 5 parts)

The planets Jupiter and Mars will share a small patch of the eastern sky with the crescent moon, and the star Aldebaran on August 27. Here's how to see it.

A renewable natural gas plant adjacent to the Bethlehem Landfill opened on Tuesday morning.

The free exhibit, “America’s Beautiful,” at Lehigh Gap Nature Center runs from Aug. 21 to Aug. 29. It includes 50 watercolor paintings of Smokey Bear.

More than eight months after announcing a $600 million price tag over the next decade to upgrade aging water and wastewater treatment infrastructure, the Lehigh County Authority is reaching out to major industrial users.

A full moon is on display the evening of Monday, August 19. The full moon of each month has one or more traditional names, and the August full moon is known as ‘the Sturgeon Moon.’

Wednesday marked the end of the first round of a three-year initiative called TOWERS, or Tackling Obstacles for Women’s Engagement and Retention in STEM, at Cedar Crest. Through the program, incoming freshmen are paired with mentors to complete science projects, gaining confidence and community along the way.

In the home stretch of summer, is the worst of the heat behind us? Here’s where things stand in the Lehigh Valley as we look ahead — and enter the peak of hurricane season.

Bear Creek Mountain Resort in Macungie will celebrate the official opening of its ski season on Sunday at 9 a.m.

PPL Electric Utilities offers tips to customers designed to keep them safe and warm during the winter season.

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

A coastal storm is on track to impact the region this weekend, but forecasters say the latest guidance has reduced snowfall totals and impacts across the region.

The past two Lehigh Valley winters haven't produced much in the way of snow. With the potential for significant snowfall this weekend, local business operators are gearing up — at last.

Officials behind the longest running raptor migration count in the world have posted the results of the 2023 season. Here's how many birds of prey were spotted.

The proposal under consideration in Harrisburg would up Pennsylvania’s renewable energy goals from 8% now to 30% by 2030.

January is National Radon Action Month, and officials from the American Lung Association are offering a limited supply of free radon test kits for commonwealth residents, including those in the the Lehigh Valley.

The weekend storm threat would be the area’s first significant snowfall in years, but forecasters say we have a long way to go to determine the final impacts.

From 4:30 p.m. to 6:30 p.m. on Jan. 10, college officials are opening up the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., for residents and community members to explore.

The James Webb Space Telescope, launched on Christmas 2021, orbits the Sun about a million miles outside Earth’s orbit. It is the most powerful, largest, and most complex telescope ever made.

This New Year’s Day, tens of thousands of people across the country, including dozens in the Valley, will take a guided hike through a state park to mark the beginning of 2024.