Environment & Science

Almost 100 volunteers on Saturday picked up litter at Monocacy Creek. Organizers said there was "lots of camaraderie” and enthusiasm.

The Allentown Environmental Advisory Council is examining three of the city's largest buildings to identify potential opportunities to boost efficiency and cut costs.

Lehigh Valley residents eager to begin their spring gardening are looking toward the last frost and freeze dates for the area — but they'll have to be patient.

Ruth Santiago, an attorney and environmental activist in Puerto Rico, is returning to the Lehigh Valley this month to speak to students and residents about alternative electrical systems and environmental equity amid climate change.

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

The commonwealth is getting $265.9 million in federal funding to upgrade its aging water infrastructure. The state has the fourth most lead pipes in the nation, according to a recent EPA survey.

The spring migration count at Hawk Mountain has begun. So far this season, 137 birds of prey have been recorded.

Allentown’s Cedar Creek Park was covered Thursday in lesser celandine, a low-growing, mat-forming flower that’s been flagged by the Department of Conservation and Natural Resources.

It’s not unprecedented, but it is a little bit too early for the kind of warmth the Lehigh Valley will see next week, said meteorologist Bobby Martrich.

The U.S. Environmental Protection Agency on Tuesday released the results of the agency's "7th Drinking Water Infrastructure Needs Survey and Assessment." Pennsylvania ranked only behind Florida, Illinois and Ohio for the most lead service lines.

Following a Winter Storm Warning, The National Weather Service at Mount Holly, New Jersey has now issued a cold weather advisory for the Lehigh Valley and surrounding areas, warning of "dangerously cold" temperatures this week.

The U.S. Fish and Wildlife Service is considering the eastern hellbender for protections under the federal Endangered Species Act. Find out why habitat loss and the pet trade are contributing to population declines.

A new bridge in Lower Saucon Township allows pedestrians to navigate from Hellertown to Quakertown uninterrupted. A grand opening ceremony was held Saturday.

If predictions stay true, the Lehigh Valley would be on the higher end of the 4- to 7-inch range of snowfall. PennDOT and the PA Turnpike Commission have set vehicle and road restrictions.

Depending on how the system evolves, a robust and plowable storm seems like the more likely scenario for the region, with the timing on potential snowfall beginning to lock in for Sunday afternoon.

Confidence has increased for a clipper system to bring light snow to the region on Thursday, with potential for additional accumulation Sunday into Monday. The coldest air mass of the season arrives behind it, forecasters say.

Allentown's EAC accomplished a lot in the past year, including successfully lobbying for two pieces of legislation and supporting a sustainability coordinator for the second year.

Excelsior Farms was one of nine farms across the state recognized at the 109th PA Farm Show that have been in the same family for 100 years or more.

In the current night sky, Venus and Mars both happen to be clear and visible to the naked eye.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, Brittany Sweeney takes her place with reporter Phil Gianficaro and social media specialist Grace Oddo.

Delta flights to and from Atlanta were among those impacted at Lehigh Valley International Airport on Friday.

There's plenty to see, and eat, at the PA Farm Show in Harrisburg. Check out our reviews.