Environment & Science

The remnants of Ophelia will drift slowly southward and offshore through Wednesday, the National Weather Service said, bringing a raw start to the week for the Lehigh Valley.

In a recent national report, Pennsylvania received a failing grade in its regulation and treatment of lead in schools’ water. Six local schools have reported unacceptable levels of lead since 2018, and one expert says some of the remediation methods they used are less than perfect.

No longer a tropical storm, the remnants of Ophelia will have an impact on the Lehigh Valley weather at least into Tuesday, according to the National Weather Service forecast. Expect showers throughout Sunday.

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.

A sunrise observance was held Saturday at the private, nonprofit park to mark the transition from summer to fall. The park features dozens of stone settings strategically placed throughout more than 20 acres.

The storm is expected to cause heavy rainfall across the Mid-Atlantic states, potentially leading to flash and urban flooding. Easton's PorchFest has been postponed to Oct. 1.

A tropical system that was officially named Ophelia on Friday will drench the East Coast this weekend, including the Lehigh Valley, officials said.

The free festival runs from 10 a.m. to 3 p.m. at the center. The schedule includes nature walks, live animal presentations, monarch butterfly tagging, music and more.

Northampton County and its conservation district appear poised to split after a County Council committee meeting Wednesday showed deep distrust between them

Lehigh Valley Breathes, a Valley-wide effort, aims to measure air quality. From the collected data, officials said they will make recommendations for improvements.

The post went viral on Facebook, falsely claiming that hunters are required to wear $30 fluorescent orange face masks featuring the state Game Commission's logo.

State environmental regulators are hitting Sunoco’s Mariner East pipeline project with its sixth violation in Lebanon County since mid-August.

A federal appeals court called Pennsylvania’s regulations for coal plant emissions too weak and ordered the state to revise them.

This summer’s combination of record-breaking heat, Black Lives Matter activism, and the pandemic has led to conversations on environmental justice.

As state lawmakers debate how to help Pennsylvania’s economy recover from the coronavirus shutdown, environmental groups see an opening for a cleaner future.

Creator of #BrownSkinPlantMama, Veronica Moore is sharing her journey of healing with nature... while also creating a space for Black and Brown people in the plant community.

Pennsylvania Attorney General Josh Shapiro charged two pipeline companies with polluting groundwater and streams in a series of spills in 2015 along a pipeline project in Washington County.

For the first time, Penn State University Lehigh Valley students can pursue a degree in cybersecurity.

State senators are weighing the risks and benefits of Pennsylvania joining a regional cap and trade program targeting greenhouse gases.

Many sectors of the economy have been halted or changed by the coronavirus pandemic, and environmental research is no exception.

ALLENTOWN, Pa. - A large water main break in Western Allentown, Wednesday, April 29, left areas of the city without water or with low water pressure. The…

Organizations across the Lehigh Valley are celebrating the 50th anniversary of Earth Day - including the Wildlands Conservancy, which protects natural areas and waterways.