Environment & Science

It's the third time the Delaware River has won the title. Previous wins were in 2002 and 2017.

Some salt sheds across the region could be down to their final grains, officials said Thursday, as reports of a rock salt shortage spread through the region and well beyond.

The state's dairy industry has officially reached "HPAI-free" status after rigorous testing in Pennsylvania dairy cattle for highly pathogenic avian influenza. Other states have detected bird flu in their cattle though, so the state will continue to monitor and test cattle.

Sarah DeGrendel was recently hired as the city’s first sustainability manager. The position focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

Months after a fire tore through Blue Mountain, the community continues to support the fire departments who helped battle the blaze. This time, that support comes in form of monetary donations.

This week on Watching the Skies, a look at efforts to preserve the artifacts that remain on the moon’s surface.

A pair of river otters at the Lehigh Valley Zoo offered their predictions for the winner of Super Bowl LIX during the zoo's annual Otter Bowl. Eagles fans may not like it, depending on their perspective.

The winter weather advisory will run 3 p.m. Saturday to 6 a.m. Sunday, with mixed precipitation expected in the Lehigh Valley and across the region.

St. Luke's University Health Network on Friday launched an email helpline for residents with questions about avian flu. No human cases have so far been recorded in Pennsylvania.

The Valley’s two major health networks are preparing for an increase in bird flu in people. Cases have been generally mild, with none reported so far in Pennsylvania.

Meteorologist Bobby Martrich of EPAWA Weather Consulting highlighted the area as one to watch, thanks to the setup of a “thermal gradient” or baroclinic boundary as the storm moves through.

This week, Brad Klein shares his thoughts about the commonly heard phrase, "meteoric rise."

The Lehigh Valley is under a winter weather advisory from 4 a.m. to 1 p.m. Tuesday, with total snow and sleet accumulations of 2 to 5 inches expected, with the greatest amounts at higher elevations.

While the program has expanded into the Lehigh Valley over the past few years, and is growing in popularity, officials said demand has also increased this year as federal programs and initiatives were canceled or paused.

The Lehigh Valley is in line for potential snowfall Tuesday as a coastal storm takes aim at the region, but there's a lot of uncertainty at this point," forecasters say.

After persistently dry, windy weather last year triggered concerns over the longevity of holiday trees, this year’s crop is shaping up well, Lehigh Valley growers said, with many different varieties available.

The Kline’s Island Sewer System, or KISS, regional wastewater plan has been approved by more than a dozen Lehigh County municipalities. Now, it's up to the state Department of Environmental Protection to approve it.

The survey, part of a project out of Lehigh’s Climate Resilience Center, is open until mid-December. As an incentive, residents who complete the survey will be entered to win a $20 Amazon gift card.

This week on Watching the Skies, WLVR's Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire dissect online misinformation circulating about an approaching comet. The third interstellar comet ever detected, combined with the long-running government shutdown, slowed NASA's response to the solar phenomenon, only fueling theories about the comet.

Amid the celebrations and family gatherings, residents can be mindful of their decisions this Thanksgiving, instituting small changes that could make a big difference during one of the most wasteful times of the year.

The nonprofit water and wastewater utility on Friday asked customers in its service area to voluntarily reduce their water use by 5% amid persistently dry conditions.

Lehigh Valley Planning Commission on Thursday reviewed a draft of its Industrial Land Use Guide, highlighting key points of concern and some potential mitigation strategies to address bigger, more utility-intensive uses.