Environment & Science

Tuesday's fast-moving storm swept quickly through the Lehigh Valley but packed a wallop, bringing nearly a foot of snow to several spots.

“This has been a tremendously difficult storm to forecast due to rapidly changing conditions/temperatures expected and the difference in timing,” the National Weather Service said in its forecast discussion.

PPL Electric Utilities and Met-Ed reported more than 13,000 customers without power Tuesday morning as a winter storm swept through the region.

Several Lehigh Valley schools are closing Tuesday because of the weather forecast.

Early Monday, the National Weather Service issued a winter storm warning in effect for the Lehigh Valley for 7 to 10 inches of snow, with locally higher amounts over the higher elevations.

One area of potential concern at the Allentown State Hospital had been the presence of dioxins in the soil. Dioxins are a group of toxic chemical compounds that take a long time to break down in the environment, and can cause health problems in people.

Betelgeuse is the red supergiant star at Orion’s ‘right shoulder.’

Lehigh and Northampton counties are under a winter storm watch in effect from 12 a.m. to 6 p.m. Tuesday, with 4 to 8 inches of heavy, wet snow possible.

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.

It’s a special year for cicadas, insects known for their high-pitched mating songs. Two adjacent broods are expected to co-emerge for the first time in 221 years. Here's the next time they emerge in the Valley.

CDP, formerly known as the Carbon Disclosure Project, announced the scores Thursday. It’s the highest grade the city has received from CDP since officials started reporting in 2018.

Smoke drifted over the Great Lakes on Monday night and pushed east, the National Weather Service said, with forecasters warning it will result in smokier skies for the Lehigh Valley and large swaths of the eastern U.S. on Tuesday.

Antone “Tony” Pierucci has been selected to be the new executive director of The Delaware & Lehigh National Heritage Corridor.

The National Weather Service said the haze could be more apparent toward the late afternoon and evening hours, particularly at sunset.

This week, Japanese lunar mission ‘Resilience’ prepares to deploy its lander to the moon’s surface. If all goes according to plan, it will happen Thursday, June 5.

During this year’s spring migration count, which ran from April 1 through mid-May, Hawk Mountain volunteers and staff tallied 1,271 birds of prey.

Sixty-eight state parks across Pennsylvania now offer free menstrual products. It's part of a broader initiative to make public spaces across the commonwealth more accessible and supportive for all.

Technology is a major component in PPL Electric Utilities' ability to provide reliable service to its 1,700 customers in Eastern and Central Pennsylvania.

Essentially a scholastic scrimmage for environmental science, the annual Envirothon combines classroom learning and outdoor activities to engage students in the environment. Find out where Lehigh Valley teams placed.

A two-building, 20-unit apartment complex along Quarry Road received unanimous preliminary final approval from the North Whitehall Township Planning Commission on Tuesday night.

The program will offer an associate's degree, certificate or three-course diploma.

Top-prize-winning projects include plans for an outdoor classroom at Trexler Middle School, several garden spaces and a free bike tune-up day.