Environment & Science

PennEnvironment's State of Renewable Energy 2025 ranks every state for the production of wind energy, solar power, energy storage and other metrics over the last decade, tracking growth.

The Quest for the Golden Grabber is an effort to engage community members in a friendly competition while cleaning litter from the D&L Trail. This was the second year.

Gemma, a fisher, has died, zoo officials announced Monday. She was an animal ambassador at the zoo for more than a decade.

State parks across the commonwealth are gearing up for what could be a very busy summer season as some federal campgrounds shutter due to staffing shortages.

The tornado that touched down Tuesday evening in Bangor has been categorized by the National Weather Service, according to a statement issued Wednesday. The agency estimated peak winds reached 80 to 90 mph with a path length of about 1.50 miles and a maximum path width of 100 yards.

Easton's Environmental Advisory Council voted unanimously to draft and send a letter opposing the Easton Commerce Park to the city’s planning commission. The project is slated to go before the commission Wednesday.

Even with several days of rain, the Lehigh Valley remains well below average in long term levels of precipitation. Here's how the rest of the month could shape up.

Videos posted to the Facebook group Slate Belt Chatter show a funnel cloud rotating and descending toward the ground. The weather service said a storm damage assessment will be conducted and more details provided later in the week.

Projects ranged from initiatives aimed at lowering food waste to renewable energy. When complete, the city will be the third of the Lehigh Valley’s major cities to publish a climate action plan.

The annual Envirothon is essentially a scholastic scrimmage for environmental science. Two Lehigh Valley teams have advanced to the state competition.

The Lehigh Valley is under a winter weather advisory, and forecasters say every snowflake that falls will stick easily as the coldest air of the season moves in.

The International Space Station is easily visible from Earth just before dawn or after dusk. It gives off no light of its own, but reflects the Sun off its massive solar panels.

Pennsylvania’s economy will center around agriculture in 2024, according to Gov. Josh Shapiro.

Snow squalls cause dangerous travel conditions and can be blinding for motorists, according to the National Weather Service. The Lehigh Valley is at highest risk from mid-morning into the afternoon.

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.

The weather pattern not only remains active – with another flood watch on Friday – it includes a chance of yet another coastal system impacting the mid-Atlantic region early next week.

Another soaking rainfall and flood watch are expected for the Lehigh Valley on Friday, forecasters said, with widespread impacts somewhat similar to Tuesday’s storm. Then, we take a wintry turn next week.

Ignoring repeated warnings, some Lehigh Valley motorists find themselves stranded after driving through deep roadway water.

Over two inches of rain fell at Lehigh Valley International Airport, setting another daily record on Tuesday, but winds were less than feared.

Another powerful winter storm is set to hit the region, bringing concerns of widespread flooding and high winds Tuesday into Wednesday.

A severe rainstorm is expected to cause flooding that may impact roadways throughout the Lehigh Valley.

A Muhlenberg College professor has launched a campaign this month to inform residents about the health risks of radon, as well as improve access to testing and mitigation. The Lehigh Valley is home to the highest radon levels ever recorded in Pennsylvania.