Environment & Science

More than six months after its launch, 33 air quality monitors have been installed throughout the Lehigh Valley as part of Lehigh Valley Breathes, a regionwide effort to monitor air quality amid emissions from trucking and warehousing.

Arcadia Development Corporation plans to tear down the SureStay Plus Hotel by Best Western at 300 Gateway Drive off Route 512, replacing it with a warehouse. The permit hearing is scheduled for 6 p.m. to 9 p.m. April 29 at Nitschmann Middle School in Bethlehem.

The city is working to establish an application process for microgrants ranging from $1,000 to $5,000, according to Allentown’s new sustainability coordinator.

The Lehigh Valley is under a slight risk of excessive rainfall, with the Weather Prediction Center warning of localized and isolated areas of flash flooding Thursday into Friday.

Hosted by the Northampton County Conservation District, the Envirothon is scheduled for April 18 at Louise W. Moore County Park. Teams will be tested in a handful of different topics, including wildlife, forestry, soils and land use, aquatic ecology and a current environmental issue.

The Biden administration on Wednesday finalized strict limits on certain so-called “forever chemicals” in drinking water that will require utilities to reduce them to the lowest level they can be reliably measured.

The Pennsylvania Museum and Historical Commission will recognize the Allentown State Hospital — which was demolished at the end of 2020 — as a significant part of the Commonwealth’s history by awarding it an Official State Historical Marker.

The results of Lehigh Gap Nature Center's 27th annual Lehigh Gap Area Feeder Watch are in. Find out what birds were spotted.

An extended view of the total solar eclipse that was promised in the Lehigh Valley on Monday afternoon never materialized due to thick cloud cover, disappointing many of the approximately 1,000 at The Promenade Shops at Saucon Valley.

It's solar eclipse day. Here are a few final things to know as we count down to the cosmic spectacle that has been dominating the public consciousness.

Lehigh Valley Breathes is a Valley-wide effort to monitor air quality amid emissions from trucking and warehousing. The project is expected to run for a year.

State lawmakers on Monday held a committee hearing titled “Minimizing Risk & Harm: Preparing for Pennsylvania’s Hydrogen Future.” It comes almost two months after President Joe Biden announced seven regional clean hydrogen hub projects, including two in Pennsylvania.

Your name can travel to space on the Europa Clipper Spacecraft. NASA’s ‘Message in a Bottle’ program is open through the end of December.

The state Department of Environmental Protection's Energy Programs Office will host five public engagement sessions in December, four in-person and one virtual, as officials work to create a priority climate action plan to address the negative effects of climate change.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Residents from the Lehigh Valley and beyond on Thursday attended the state Department of Environmental Protection’s last public comment meeting on the commonwealth’s interim environmental justice policy. The majority said the policy doesn’t go far enough.

Blue Mountain Resort took full advantage of a recent cold snap across the region to fire up the snow guns — and schedule Opening Day on Friday.

While plans for the site include homes, offices, restaurants and other facilities at the 200-acre East Side property, regulations call for at least 35%, or about 70 acres, to be preserved as open space for outdoor recreation.

Wildlands Conservancy’s first fall photography contest is underway, with entries due just before midnight Thursday. Officials said the contest aims to encourage residents to explore the outdoors, as well as share their interest in nature with others in the community.

The Lehigh County Authority used municipal meetings to highlight what upgrades were currently planned to Lehigh County's sewer system, and what might be needed form the local governments

The coldest air of the season thus far is arriving in the Lehigh Valley, with forecasters touting conditions favorable for snow showers and squalls this afternoon.

Starting this month, and running on select Thursdays through March, this year’s series includes officials from state and local agencies, as well as nonprofits. It's free for members and costs $5 for non-members.