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.

Forecasters say where the storm tracks is going to be key to what we get in the Lehigh Valley, as well as the transfer of energy from the primary storm system to a secondary system. That will produce a coastal storm that will likely impact the area Thursday into Friday as it tracks north along the coast.

The real specimens that will be on display at Da Vinci Science Center are designed to compare and contrast healthy bodies and organs with those that are diseased, with an emphasis on common ailments along with cardiovascular issues and dementia.

A regulatory agency responsible for the water supply of more than 13 million people in four Northeastern states says it is banning gas drillers from dumping fracking wastewater in its watershed.

PennDOT will spend millions of dollars to start construction on major transportation projects including bridges, traffic circles, milling, paving and patching roadways and updating interchanges.

Is there rain and wind, or something more interesting in store for the Lehigh Valley in the coming days?That’s what readers are wondering as a parade of storms begins to roll through the region.

While Monday will bring mostly sunny skies and dry weather to the region, meteorologists are tracking a series of storms that will make for a mostly soggy week in the Lehigh Valley — with a question of wintry weather by week's end.

Pa.'s Department of Environmental Protection gave the company 14 days to come up with a plan of action.

A pattern change known as the "Greenland Block" could introduce cold air — and perhaps wintry weather — into the region by mid-December, meteorologists say. But what is the pattern and why could it bring snow?

Two seafood monitoring groups downgraded Maine lobster's sustainability ratings, prompting Whole Foods to pause purchases. Here's how environmental groups and state leaders are reacting.

Shopping not your thing? #OptOutside and join the movement started by specialty outdoor retailer REI in 2015 as a way to encourage people to reconnect with nature. We've got a list of places to check out across the Lehigh Valley.

Local officials warn residents never to pour fats, oils and grease (FOG), into the sink because it can harden and cause blockages in pipes.

Lafayette Junior Remy Oktay flew a Pipistrel Alpha Electro about 500 feet above Fisher Stadium on Saturday.