Environment & Science

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.

PJM Interconnection, the regional grid operator headquartered in Valley Forge, issued a maximum generation alert and load management alert for Monday.

The first day of summer can be told by the sun's position, as well as the calendar.

In Pennsylvania, there’s currently no single resource for people to see how counties and local governments plan to spend the money. But understanding the process can help you influence it.

The Appalachian Mountain Club on Tuesday released their "Equity and Accessibility Assessment Along the Highlands Trail in Pennsylvania" a report focused on a 2.3 mile section of the D&L Trail.

Temperatures overnight Wednesday into Thursday could dip into the mid 30s in the Lehigh Valley, forecasters say.

The Borough of Emmaus has chosen to take the steps to treat its own water supply after spending over a year seeking a solution to the municipality's PFAS contamination issue

Like all the other major cities in the Lehigh Valley, Allentown is a patchwork of neighborhoods, some with good tree cover and some without any. Officials plan to use a mapping tool as a starting point to make planting trees city-wide more equitable.

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.

The mayors of Allentown, Bethlehem and Easton will participate in group bike rides for Lehigh Valley Bike to Work Week.

In its third year, Spring on the Farm is scheduled for 11 a.m. to 3 p.m. on Saturday. The free event includes a seedling sale, as well as other local vendors.

A program that started at Easton's Nurture Nature Center to protect area watersheds has already garnered state recognition. Now it's expanding.

A Code Orange alert means the air is expected to be unhealthy for sensitive groups, such as young children and older adults with respiratory conditions.

Lehigh Valley planners held a public meeting Thursday at Allentown’s Bucky Boyle Park, where residents raised some safety concerns about the project.

The EPA on Thursday announced a new proposal that would set new guidelines for power plants, requiring “ambitious reductions” in carbon pollution. A Pennsylvania environmental group calls the move a "big step in the right direction.”