Environment & Science

Some parts of the Lehigh Valley saw more than four inches of rain from Sunday into Monday, with precipitation still falling.

Schools are closing early and a large swath of the region is under a flood warning until at least 3:15 p.m. as the storm system that inundated the area overnight moves north.

The winter, or December, solstice takes place this year between sundown on Dec. 21 and sunrise Dec. 22

The Lehigh Valley Planning Commission at 11 a.m. on Wednesday is holding a meeting at its Allentown office to brainstorm and prioritize ways to decarbonize transportation across the region. Decarbonization is the process of reducing or eliminating carbon dioxide emissions.

Many spots could receive 2 to 3 inches of rain, forecasters warn, with areas of flooding possible Sunday night as another coastal storm targets the region.

Amid the joy and festivities, environmental advocates are urging residents to keep sustainability in mind during what can be a time of year when trash and waste spikes.

State environmental officials on Thursday evening hosted the last of five public engagement sessions, as they work to create a Priority Climate Action Plan, or PCAP, aiming to reduce greenhouse gas emission statewide and mitigate further effects of climate change.

Forecasters say another impactful storm is expected to move up the coast, bringing heavy rain and gusty winds to the region Sunday into Monday.

The new official map marks recently acquired land, while setting priorities for future desired open space.

A Tuesday evening webinar cosponsored by the Bethlehem Area Public Library and Bethlehem Food Co-Op focused on how residents can meaningfully participate in the city’s efforts to fight climate change.

The state Department of Environmental Protection will hold a public hearing from 6 to 9:30 p.m. Oct. 28 in Bethlehem to take public testimony about Keystone Cement Co.’s hazardous waste permit renewal application.

A look at NASA's latest space mission that could launch in early October.

Northampton County’s annual Household Hazardous Waste Drop-Off Event was held Saturday. More than 1,700 residents registered.

What can the Lehigh Valley expect as we head into meteorological fall? Experts have given their long-range outlooks for both temperatures and precipitation, and also weighed in on La Niña.

State officials on Thursday gathered at a Lancaster County dairy to announce the theme of the 2025 farm show. The farm show runs from Jan. 4 through Jan. 11 in Harrisburg.

The commonwealth's six-week leaf-peeping season has begun. Here's when the Lehigh Valley can expect peak colors.

The industrial and transportation sectors are responsible for the largest share of the Valley's greenhouse gas emissions. The findings will form the foundation the next project, a regional Comprehensive Climate Action Plan.

Work is underway to restore a half-mile section of the Monocacy Creek that runs through the Archibald Johnston Conservation Area. Officials aim to improve the stream’s health by restoring the natural flow.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week, they talk about the upcoming Lehigh Valley Space Fest.

Leaf-peeping season is right around the corner in the Valley, moving from north to south as temperatures drop into fall across the commonwealth. Here's why the region could see an earlier, shorter season.

The box tree moth, a highly destructive, invasive insect, was discovered for the first time in Pennsylvania, in two cemeteries in Erie County. A quarantine has been issued.

The “Stanley Jr. Kids Wheelbarrow and 7-piece Garden Set" has been recalled by the U.S. Consumer Product Safety Commission after the paint on the hoe and rake were found to contain lead levels exceeding the federal content ban.