Environment & Science

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.

Almost 11,000 birds of prey were counted this year during the Lehigh Gap Nature Center’s annual autumn hawk watch as they made their way along the raptor "superhighway" in the Valley’s backyard.

A new outdoor air quality monitoring project is coming to Allentown this summer. The data collected through the initiative, officials said, will help inform decision-making to improve residents’ health in the city, known for its poor air quality.

This year’s Lehigh Valley Sustainability Summit was held Friday morning at The Club at Twin Lakes. Officials discussed upcoming projects, as well as efforts to mitigate the impacts of climate change.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, Megan is joined by Tom Shortell and Molly Bilinski.

Northampton County Conservation District held its annual Envirothon, where students go head-to-head in immersive challenges in the soil, mud, and woods — competing for hundreds of dollars. Teachers say it's special because it gets kids off their phones and experiencing the natural world, and each other.

The spring migration count at Hawk Mountain has begun. It runs through May 15.

EPA officials last week announced the first-ever national drinking water standard regulating per- and poly-fluoroalkyl substances, or PFAS, which are widespread, long-lasting in the environment and have been linked to long-term health issues.

A female mallard duck has stolen the spotlight at the Promenade Saucon Valley after nesting in a planter. Her month-long residence will postpone landscaping plans, but her newfound popularity is making up for it.

First introduced by state Sen. Lisa Boscola in 2015, the bill would increase penalties and direct any money collected toward bald and golden eagle conservation efforts in Pennsylvania.

Brandon Krock has 440,000 seeds to plant at Fox Summit Farm, a pick-your-own sunflower farm that will return this summer in the Lehigh Valley. He's planning fireworks, food trucks, a 5k and more.

WLVR's Brad Klein and Marty McGuire, known as Bethlehem's 'Backyard Astronomy Guy' spoke over the phone about the April 8 total solar eclipse. The path of totality veered toward the Northeast, where McGuire saw it from New York.

A severe weather threat is on tap for Sunday, forecasters warn, with a tornado threat for central Pennsylvania and damaging winds possible in the Lehigh Valley.

From April 20 through April 28, residents are invited to join or host a cleanup along a section of the D&L Trail as part of a trash collection competition. Winners will be announced May 3.