Environment & Science

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.

Snow is in the forecast for the Lehigh Valley, and meteorologists say it could impact the Thursday morning commute. A more potent system Sunday could be 'quite a wild ride.'

The money is earmarked to help pay for a $20 million facility to treat water from Crystal Spring, one of Allentown’s four major water sources, according to city officials.

This week, Brad Klein and Marty McGuire take a look at Orion — the constellation most associated with the winter sky.

The latest update from Lehigh Valley Breathes compares local air monitoring data to existing regulatory standards in the United States, as well as the air quality guidelines recommended by the World Health Organization.

In the first episode of “Lighting the Way with Dr. Carol D. Birks,” a Bridgeview Academy student talks about his experiences with AI at his school.

The Lehigh Valley is under a winter weather advisory for 2 to 4 inches of snow. But could it see more?

A crop farm in Northampton County was included in the latest round of Pennsylvania's Farmland Preservation Program. Twenty-seven other farms across the state also were preserved.

After a wintry blast on Wednesday that dropped as much as 3.1 inches of snow in parts of the area, forecasters say more could be coming this weekend.

LGNC’s annual autumn Bake Oven Knob Hawk Watch ended late last month. The overall count was more than double last year’s total, and records were set for bald eagles and turkey vultures spotted from the lookout.

A fast-moving system could bring another round of light snow or a wintry mix to the Lehigh Valley on Wednesday, forecasters say.

There are now 37 counties across Pennsylvania in a drought watch, including the Lehigh Valley. Residents are being asked voluntarily conserve water.

This year’s theme is about encouraging drivers to keep a safe distance from plows, as well as other vehicles, during winter weather, according to a Monday news release.

This week on Watching the Skies, WLVR's Brad Klein talks about Lehigh Valley entrepreneur Jared Isaacman's second bid to lead NASA.