Environment & Science

The severe thunderstorm watch comes amid a heat wave that looks to break Monday as a cooler air mass mercifully moves into the region Sunday night.

Excessive heat warnings have been posted in parts of the northeastern U.S. with heat indices of 105 to 110 degrees. Forecasters issued an excessive heat warning for southeastern Pennsylvania. As for Saturday, we're expected to hit a high of 96 in the Lehigh Valley.

One trick is to be sure to water plants at the base — not the leaves — to ensure the roots absorb the water. "Everybody waters the plant, but you need to water the soil," says one nursery manager.

The Lehigh Valley ranks as the eighth-highest industrial market in the U.S., it was disclosed at a Lehigh Valley Planning Commission roundtable meeting on Friday.

This week, Megan Frank is joined by environment and science reporter Molly Bilinski, and Northampton County reporter Ryan Gaylor.

Northampton County Council on Thursday approved nearly $650,000 in Livable Landscapes grants, most focused on expanding or improving the public trails.

With more than two dozen species of fireflies that call Pennsylvania home, it’s no wonder one was adopted as the state’s insect. But, these flashy insects are threatened due habitat loss and light pollution.

The Delaware River Sojourn, an eight-day guided paddling and camping trip, is underway. About 100 paddlers are participating.

The U.S. Occupational Safety and Health Administration's General Duty Clause essentially says employees are entitled to a safe and healthy workplace. In some cases, that applies to workers that can endure excessive heat, like during a heat advisory.

Looking for relief from the heat in Easton? The city is opening up City Hall and turning on the fire hydrants over the next few days to alleviate the sky-high temperatures.

The brand new Da Vinci Science Center at PPL Pavilion will open in downtown Allentown on May 22 with Dinos Alive!

The National Transportation Safety Board released its preliminary findings from a March 2 crash and derailment involving three trains in the Steel City section of Lower Saucon Township.

Aimee Kohler in 2022 launched The Running Kind, a sustainable, Valley- based business focused on zero-carbon racing events for both amateurs and professionals. The next race is set for April 7.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s "Backyard Astronomy Guy," Marty McGuire.

Philadelphia set a record Saturday with its wettest March day on record, eclipsing 3 inches just before 2 p.m. The Lehigh Valley didn't get quite that much, but set a record of its own for the day, according to the National Weather Service.

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.

While not federally recognized, residents across the country for the last half-century have acknowledged Earth Day by demonstrating for more environmental protections, cleaning up their communities or learning more about the planet they call home through educational initiatives.

When excessive rain falls, the Lehigh Valley can see flooding of rivers, creeks, streams and other low-lying and flood-prone locations. These area roadways are usually impacted.

The Lehigh Valley is under a flood watch in effect from late Friday through Sunday morning, with excessive rainfall on the way and gusty winds following the storm that could result in power outages.

A coastal system is expected to bring heavy rain to the Lehigh Valley and much of the region this weekend, prompting concerns of flooding and power outages.

The Asthma and Allergy Foundation of America released its Allergy Capitals report this month. Allentown ranked in the Top 15 nationwide.

Late Tuesday marks the astronomical beginning of the spring season in the Northern Hemisphere, but forecasters say winter isn’t quite done with us yet.