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.

Hundreds of active wildfires across Canada – with a significant portion burning out of control – have sent smoke drifting into the U.S. again, including the Lehigh Valley.

Event will involve panelists and keynote speakers who will provide examples and information on climate mitigation.

This week, a look at a new discovery about one of the brightest stars in the night sky, the red supergiant, Betelgeuse.

The tract, spread across Penn Forest and Kidder townships, includes Mud Run, a key tributary of the Lehigh River. It was purchased through a $1 million grant from the Open Space Institute.

Allentown students took part in STEM activities, including stepping into an airplane cockpit, when Captain Barrington Irving flew into town with some hands-on critical thinking activities from his Flying Classroom.

On Thursday, Lehigh Valley Zoo broke ground on a $10 million multi-phase project, with initial work on a new barn area and accessible playground set to be finished in the fall.

The Lehigh Valley has a history of flooding, and climate change could be increasing the risk. With federal funding cut or on the chopping block, officials warn the Valley could be left unprepared.

While the risk area covers a significant portion of the region, the greatest flash flood threat will depend on a number of factors, the National Weather Service said early Thursday.

The National Weather Service has upgraded its flood watch for the Lehigh Valley and surrounding areas, in addition to severe weather and heat watches.

The unanimous vote to support the years-in-the-making plan came at the very beginning of a special meeting of the EAC dedicated to a mid-year goal review. The group also discussed progress on this year's goals.

After devastating flash flooding in Texas earlier this month claimed the lives of at least 135 people, scientists and experts are warning similar conditions could happen in the Lehigh Valley.

Sustainable Pennsylvania is a voluntary program focused on helping municipalities improve sustainability to save money, conserve resources and improve residents’ lives.