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.

Schools are closing early and a large swath of the region is under a flood warning until at least 3:15 p.m. as the storm system that inundated the area overnight moves north.

The winter, or December, solstice takes place this year between sundown on Dec. 21 and sunrise Dec. 22

The Lehigh Valley Planning Commission at 11 a.m. on Wednesday is holding a meeting at its Allentown office to brainstorm and prioritize ways to decarbonize transportation across the region. Decarbonization is the process of reducing or eliminating carbon dioxide emissions.

Many spots could receive 2 to 3 inches of rain, forecasters warn, with areas of flooding possible Sunday night as another coastal storm targets the region.

Amid the joy and festivities, environmental advocates are urging residents to keep sustainability in mind during what can be a time of year when trash and waste spikes.

State environmental officials on Thursday evening hosted the last of five public engagement sessions, as they work to create a Priority Climate Action Plan, or PCAP, aiming to reduce greenhouse gas emission statewide and mitigate further effects of climate change.

Forecasters say another impactful storm is expected to move up the coast, bringing heavy rain and gusty winds to the region Sunday into Monday.

The new official map marks recently acquired land, while setting priorities for future desired open space.

A Tuesday evening webinar cosponsored by the Bethlehem Area Public Library and Bethlehem Food Co-Op focused on how residents can meaningfully participate in the city’s efforts to fight climate change.

The Lehigh Valley remains devoid of accumulating snow events so far in December —and it looks like that pattern will continue straight through the holiday season.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s 'Backyard Astronomy Guy," Marty McGuire.

Sunday's rain could transition to snow as the storm system departs the region Monday morning, with the potential to affect the morning commute, according to the National Weather Service.