Environment & Science

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.

The U.S. Department of Agriculture updated its plant hardiness map, showing a warmer Lehigh Valley. The region has moved into a warmer zone from the one where it was placed more than a decade ago. Experts say it has consequences for plant seasons and species.

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.

If you're doing anything outdoors, do it Saturday. Rain will arrive Sunday and is forecast to intensify later in the day, with gusty winds. The National Weather Service issued a flood watch for Sunday afternoon into Monday afternoon.

LANTA officials are reminding residents for caution when and if severe winter weather returns this season, and discussed what riders should do if they are unsure with the status of service after a storm

A sprawling storm system is expected to bring heavy rain, strong winds and snow to the region this weekend.

Chances are, you'll still be able to find a tree, it just might take a little extra work — and you might want to get it soon. Roger from Unangst Tree Farms explains the ins and outs of why this problem, a decade in the making, is now causing tree farms and stands to sell-out when it's barely December.

As of Monday afternoon, mile markers 94.2-97.13 of the D&L Trail in East Penn Township remain closed because of a sinkhole.

The state Department of Environmental Protection will hold a public hearing from 6 to 9:30 p.m. Oct. 28 in Bethlehem to take public testimony about Keystone Cement Co.’s hazardous waste permit renewal application.

A look at NASA's latest space mission that could launch in early October.

Northampton County’s annual Household Hazardous Waste Drop-Off Event was held Saturday. More than 1,700 residents registered.

What can the Lehigh Valley expect as we head into meteorological fall? Experts have given their long-range outlooks for both temperatures and precipitation, and also weighed in on La Niña.

State officials on Thursday gathered at a Lancaster County dairy to announce the theme of the 2025 farm show. The farm show runs from Jan. 4 through Jan. 11 in Harrisburg.

The commonwealth's six-week leaf-peeping season has begun. Here's when the Lehigh Valley can expect peak colors.

The industrial and transportation sectors are responsible for the largest share of the Valley's greenhouse gas emissions. The findings will form the foundation the next project, a regional Comprehensive Climate Action Plan.

Work is underway to restore a half-mile section of the Monocacy Creek that runs through the Archibald Johnston Conservation Area. Officials aim to improve the stream’s health by restoring the natural flow.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week, they talk about the upcoming Lehigh Valley Space Fest.

Leaf-peeping season is right around the corner in the Valley, moving from north to south as temperatures drop into fall across the commonwealth. Here's why the region could see an earlier, shorter season.

The box tree moth, a highly destructive, invasive insect, was discovered for the first time in Pennsylvania, in two cemeteries in Erie County. A quarantine has been issued.