Environment & Science

The Community and The Arts Clean Up aims to combine community service and engagement through a tournament-style competition – with prizes for the team that fills the most trash bags – followed by a gathering with live music and food.

Severe storms during the summer are very difficult to predict. That's evident in dueling forecasts Thursday for the Lehigh Valley.

Lafayette College in late May submitted a replanting plan to the city after officials threatened to stop work when 46 trees were cleared from the slope without approval. It's unclear whether the plans have been approved.

From 8:30 a.m. to 3:30 p.m. on Friday, July 21, the Rodale Institute’s headquarters at 611 Siegfriedale Road in Kutztown will be open to the public for its annual field day.

The newest proposal, one involving 848.47 acres near the landfill, may also receive a public hearing at a later date. The possibility to rezone 275.7 acres will see discussion on Aug. 30 at 9 a.m.

Mostly sunny skies on Tuesday may be dimmed slightly as another plume of wildfire smoke drifts over the region, the National Weather Service warned.

Storms pounded eastern Pennsylvania, including the Lehigh Valley, with widespread flooding before the heavy rainfall pushed to the east and gradually weakened overnight.

Berks County recorded the highest rainfall totals locally, with storm total accumulations at 10 inches near Oley Township and surrounding areas just after 5 p.m., according to social media reports.

It is predicted that there will be numerous flash floods on Sunday, affecting the area.

A project of the Pennsylvania Municipal League and Sustainable Pittsburgh, Sustainable Pennsylvania is a voluntary program focused on helping municipalities improve sustainability to save money, conserve resources and improve residents’ lives.

Allentown police can hand out tickets to anyone caught swimming in natural waterways in the city, Mayor Matt Tuerk said, urging residents not to let a $100 fine “ruin your summer.”

The city was awarded funding through a state Department of Environmental Protection grant to buy seven electric vehicles. However, more funding is needed for charging infrastructure.

The National Weather Service issued a flash flood warning for the Allentown, Bethlehem and Easton areas until 9:30 p.m. In the Emmaus area, more than 2 inches of rain had fallen in two hours, a meteorologist said.

This week, Brad Klein and Marty McGuire talk about an observatory making waves in the astro-photography world: the new Vera C. Rubin Observatory in Chile.

The National Weather Service has issued a flood watch for Lehigh and Northampton counties — along with much of eastern Pennsylvania and parts of New Jersey — from Monday afternoon through the evening.

Lehigh University now has six immersive learning experiences, or virtual reality games, aimed at engaging students, residents and visitors.

Applications open next week for the Transportation Alternatives Set-Aside of the Federal Highway Administration’s Surface Block Grant Program.

A cold front colliding with a surge of tropical moisture is expected to produce widespread showers and storms, triggering a flood watch for the Lehigh Valley and much of eastern Pennsylvania.

A first-of-its-kind in the Lehigh Valley, the dome is expected to draw students and visitors both locally and from outside of Pennsylvania.

Moisture from Tropical Depression Chantal will bring the chance for scattered showers and downpours to the region, kicking off a stretch of unsettled weather with daily chances for storms throughout the week.

This week, the sad news that an ambitious mission to land a robotic craft on the moon ended in failure last month.