Environment & Science

More than 1,336 acres across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

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.

Rainy weekends have put a damper on attendance at fall festivals in the Lehigh Valley.

A potent system is still on the way to the area, the National Weather Service warned Friday, referencing a storm forecasters have been talking about for almost a week.

The initiative consists of a partnership between Northside Alive and PPL — the latter donating 500 special lightbulbs to the community.

PennEnvironment released data showing Pennsylvania ranks near the bottom when it comes to the growth of wind energy, solar power, energy storage and other renewable energy metrics over the last decade.

A powerful storm system expected to bring heavy rain to the region this weekend might not be a total washout, forecasters say.

After Lafayette College cleared more than 40 trees for a $1.2 million walkway without city approval, no trees will be replanted on the hillside where they were removed, the city forester said. Instead, several dozen trees were planted across campus and in Easton.

An agreement between Bethlehem Landfill and the people suing them, reached Tuesday, limits the landfill’s work to expand while a series of lawsuits aimed at stopping the expansion go forward.

"This is something in winter a few months from now … this is a Miller B system [or nor’easter]. The difference is, temperatures are too warm for snow," EPAWA meteorologist Bobby Martrich said.

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.

The Delaware River was chosen as the commonwealth’s River of the Year. It was celebrated Wednesday with a festival.

With temperatures in the low 90s and heat indices spikes toward 100, showers and thunderstorms are expected in the area by early evening.

Easton late last month became the third major city in the Lehigh Valley to seek certification through Bird Town Pennsylvania, an annual designation focused on community-based conservation.

Severe storms, dangerous heat and rising humidity are in the forecast for the Lehigh Valley. Here's what to expect this week and into next.