Environment & Science

The National Weather Service has issued a heat advisory and excessive heat watch for the Lehigh Valley and southeastern Pennsylvania. The heat advisory will be in effect from Sunday into Monday. Then the temperature really turns up, with heat indexes in triple digits.

The position, budgeted for one year after the annual process turned contentious, focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

The start of Lehigh Gap Nature Center’s annual hawk watch is just over a month out, and preparations are well underway. A tradition in its 64th year, volunteers count birds of prey as they migrate along the raptor "superhighway" in the Lehigh Valley’s backyard.

Funding was awarded through the Lehigh Valley Greenways Mini Grant Program. The program aims to protect and promote natural resources through the implementation of ready-to-go, single-year projects.

With other communities around the state adopting bans on plastic bags, Lower Saucon could be on its way to something similar. if approved, it would involve a transition process to show shoppers the bigger picture and give time for businesses to properly offload plastic bags on hand.

Allentown and Easton have been paired with an engineering company to reduce energy costs and greenhouse gas emissions. It's Allentown's first time, but Easton's second, in the program.

Environmentalists say the Lehigh River is the cleanest its been in 175 years. A river snorkeling program at Lehigh Gap Nature Centers encourages residents to explore their local waterways and track river health.

This week Watching the Skies explores the ice giant, Uranus.

Another heat advisory has made its way to the Lehigh Valley, accompanied by an air quality alert. While temperatures aren't expected to be as high as the last heat wave, the heat index could still hit triple-digits Monday and Tuesday.

Cars were running and appeared ready to roll Saturday morning at the site of Friday's multi-car derailment.

After days of sweltering heat, the Lehigh Valley can finally expect a break as a cold front brings modest relief and cooler temperatures, forecasters say.

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.

No climate site in the region reached 100 degrees on Monday, but the suffocating heat and humidity was still record-setting across the Mid-Atlantic region.

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.

Presented in partnership with the Nurture Nature Center, it’s the city’s first free Sustainability Movie Night, an effort organizers said aims to bring the community together for conservation education.

Allentown hasn't had a 100-degree day since July 2011. The forecast high on Tuesday is now 100 degrees.

With the Lehigh Valley under an extreme heat warning next week, Allentown is offering free pool admission. Find out other ways to beat the heat.