Environment & Science

An "all-day rain type of event" Saturday will serve as an advertisement for the Lehigh Valley's weather in the long-term. The front half of March in a word is "wet."

A half-dozen city leaders and environmental advocates highlighted the economic, environmental and public health benefits the implementation of clean truck standards could reap across the Valley.

PPL said Wednesday it has hundreds of workers “ready to work around the clock to help get customers back online as safely and efficiently as we can." There were thousands in the dark early Thursday.

The chemical odor at Sharp Packaging Solutions that sent 54 employees to the hospital on Friday remains a mystery.

A wind advisory is in effect from 4 p.m. Wednesday until 4 a.m. Thursday, with northwest winds 20 to 30 mph and gusts of 40 to 50 mph expected. PPL said its ready to respond.

It's going to be a wild and windy few days for the Lehigh Valley and the rest of the Mid-Atlantic region, forecasters say, with temperatures set to soar before a strong cold front arrives.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s "Backyard Astronomy Guy," Marty McGuire.

Temperatures will be a roller coaster this week, with Sunday's seasonably cool air giving way to a few days of spring-like temperatures but with a chance of rain.

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.

Even with temperatures set to surge next week, experts say Mid-March could see a pool of cold air spilling into the Lower 48, potentially unleashing cold, stormy conditions.

Gov. Tom Wolf wants Pennsylvania to join a nationwide program that aims to curb pollution generated by power plants.

State parks saw an increase of more than 7 million visitors last year and the trend is expected to continue.

Around the world, April 21 is the 51st celebration of Earth Day. But here in Pennsylvania, we have a little something extra to celebrate.

Air quality in the Lehigh Valley is getting mixed reviews in the 22nd annual American Lung Association's State of the Air report released April 21.

Bethlehem has announced a new plan to fight climate change. To kick off the effort, the city is creating its first-ever office of sustainability and city residents are being asked to join to help reduce Bethlehem’s carbon footprint.

The spotted lanternfly continues to kill crops across Pennsylvania. The invasive pest was first discovered in Berks County in 2014, and the state recently expanded its mitigation efforts extending the list of quarantined counties.

The Wolf Administration says it is making the largest government commitment to solar energy in the country by agreeing to buy power from seven new solar projects in the state.

Microplastic contaminants have been found in 53 waterways in Pennsylvania, including in the Lehigh River, according to clean water advocacy group PennEnvironment.

As snowstorms hammer away at the Lehigh Valley, there is a lot of news about massive blackouts following snowstorms in Texas where people are taking drastic measures to stay warm including running cars to heat their homes.

As the Lehigh River draws people from all over the region for whitewater season, the churning of the water depends on a dam controlling the flow.

The post went viral on Facebook, falsely claiming that hunters are required to wear $30 fluorescent orange face masks featuring the state Game Commission's logo.

State environmental regulators are hitting Sunoco’s Mariner East pipeline project with its sixth violation in Lebanon County since mid-August.