Environment & Science

The Clean Trucks PA Coalition report identified more than 600 schools, childcare centers, playgrounds and parks near major roadways and trucking corridors across the state.

In addition to live music, there will be more than a dozen local vendors, businesses and crafters, as well as trail and outdoor demonstrations, and group walks.

The heat this week was one of the hottest stretches of weather ever recorded in parts of the Mid-Atlantic and Northeast.

A regionwide wastewater plan and a hazard mitigation plan both advanced with staff review approvals by the Lehigh Valley Planning Commission on Thursday night.

The Lehigh Valley Greenways Mini Grant Program awarded grants to 12 organizations and municipalities this year.

The federal tax and spending bill, dubbed by President Donald Trump as the “One Big Beautiful Bill,” includes eliminating electric vehicle tax credits after this year. Advocates called on senators to put them back.

The city of Allentown is set to get $1.9 million, while dozens of nonprofits — including food banks — and other groups will split $3.8 million from the trust's annual disbursement.

On Tuesday afternoon, Lehigh Valley International Airport recorded temperatures that tied the record heat set in Allentown over a century ago on June 24.

In addition to the Kline’s Island Sewer System, or KISS, regional wastewater plan, committee members advanced the Lehigh Valley Hazard Mitigation Plan to the full commission.

With the Lehigh Valley under an extreme heat warning through Wednesday, area doctors are urging residents to keep hydrated and stay cool.

Community leaders gathered to walk around — literally — and brainstorm ways to make things safer for those who don't drive. The effort will last into the fall and involves several communities in Lehigh and Northampton counties.

The Lehigh Valley is locked in a prolonged period of chilly and unsettled weather, and forecasters say a coastal storm could bring significant and much-needed rain for the weekend.

People who stayed up late Sunday night were treated to an incredible display of the northern lights, which were visible in the Lehigh Valley.

The National Weather Service issued a severe thunderstorm watch for Lehigh, Northampton, Carbon, Monroe and several other eastern Pennsylvania counties.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Mayors in Allentown, Bethlehem and Easton are coming together to fight against worsening climate change and strengthen sustainability across the region. Two of the three cities have their own climate action plans.

There are plenty of ways to celebrate Earth Day on Saturday, April 22, in the Lehigh Valley.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., opened in January. The 20,000-square-foot, three-floor building cost $13.2 million and is one of the first buildings in the world expected to achieve a rigorous sustainability certification for buildings that give more than they take.

A few strong to severe thunderstorms are possible in the region on Saturday, with the main threat being damaging wind gusts, according to the National Weather Service.

Puerto Rico's electrical grid has been devastated by hurricanes due to worsening climate change. Ruth Santiago, a Bethlehem native, has a solution.

Swarms of non-biting midge flies last week were spotted in Bethlehem. LehighValleyNews.com spoke with Marten Edwards, chair of Muhlenberg College's biology department, to find out more about the insects.

For the first time, the Lehigh River was included on American Rivers' list of most endangered rivers in the country. Environmentalists point to a proliferation of warehouses and distribution centers for putting the river at risk.