Environment & Science

Residents can anticipate a flood watch in effect for a significant portion of the area Tuesday night and throughout Wednesday, as heavy rainfall from showers and thunderstorms is expected.

Leaf-peeper season is right around the corner. Here's when to be on the lookout for pops of brilliant yellows, oranges and reds across the landscape.

Kathleen Covalt, who teaches online classes through Northampton Community College for adults interested in learning about unidentified anomalous phenomena, or UAPs, said there's hope for future disclosures.

A stalled front will take a parting shot at the Lehigh Valley on Monday, bringing additional showers, thunderstorms and possible downpours, forecasters say.

Sunday could be mostly a washout, with showers and the potential for heavy rainfall in the forecast throughout the day. Things are looking up, though, for later in the week.

The 17-year-old Allentown Central Catholic senior has been monitoring the creek's surface lead concentrations, and plans to continue researching.

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.

Easton City residents can recycle their old, outdated electronics and appliances at 500 Bushkill Drive this Saturday. Most items can be recycled for free, while some others require a small fee.

It could take two weeks to fix operational issues at Kline’s Island Wastewater Treatment Plant on Union Street. Officials described the sewer odor as an ‘"earthy" or "rotten egg" smell, but said it is not harmful to human health.

This first round of designations included 483 tracts across the country, with only one in the Lehigh Valley. Officials said additional designations are slated for the next 12 to 18 months.

Some insects like mosquitos are thriving later in the season as temperatures reach well into the 70s.

More than 81,000 documented oil and gas wells across the U.S. have been left unplugged by former owners — far exceeding the previous estimate of 56,000, according to a new report by the Environmental Defense Fund.

Pennsylvania has a new, tech-savvy option for hunters and anglers: digital licenses. The Pennsylvania Game Commission and the Pennsylvania Fish & Boat Commission’s new web platform allows people to apply for and download licenses in PDF form.

Get Outside for Good is a monthly hike aimed at raising awareness — and money — about and for Lehigh Valley nonprofit organizations. The hike, held the first Sunday of each month at the South Mountain Preserve in Allentown, is bringing local women together.

A new report says Lehigh Valley residents breathed in heavily polluted air for more than 50 days last year.

Texas-based pipeline builder Energy Transfer faces 48 criminal charges related to construction of its Mariner East pipeline project, including a felony count of failing to report pollution.

Electric vehicles are having a moment at the state capitol.

This week, PennEast Pipeline said it would stop developing a proposed pipeline from Pennsylvania to New Jersey.

Allegheny County has a new rule on the books aimed at lowering air pollution levels during weather events that trap industrial fumes near the ground.

When the glaciers retreated 13,000 years ago from northwestern Pennsylvania, eight natural lakes were left in their wake. The ones that have become popular, like Conneaut and Edinboro lakes, have vacation homes, resorts, and farms nearby. But one lake stands out as a jewel of the region: Lake Pleasant.

A new study from Penn State shows Pennsylvania could avoid billions of dollars in health damages by joining a regional cap and trade program targeting power plant emissions.

Pennsylvania is a top destination for people who travel to take pictures of fall foliage who are also known as “leaf peepers.”