Environment & Science

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.

A bright meteor raced across the skies around 6:50 p.m. Wednesday, with people near the Lehigh Valley reporting the sighting.

More than 100 businesses, officials, organizations and environmental advocates statewide — including two from the Lehigh Valley — signed a letter to Shapiro arguing his economic development plan, “Pennsylvania Gets It Done,” fails to prioritize sustainable industries and instead doubles down on fossil fuels.

LANTA and UGI Energy Services have signed a three-year deal that will provide the transportation authority with compressed natural gas collected from landfills in eastern Pennsylvania.

The Lehigh Valley stands alone as the only major climate site in the area with above-average snowfall this winter, but the pattern says winter could be just about over.

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

The Lehigh Valley Planning Commission last week released a draft of its Priority Climate Action Plan, a document almost a year in the making aimed at tamping down the region’s carbon emissions and mitigating the effects of climate change.

The National Weather Service issued the warning Saturday afternoon for parts of Lehigh and Northampton counties, extending into Carbon County.

Temperatures climbed well into the upper 80s this week in the Lehigh Valley, teasing that classic summer milestone — the first 90-degree day of the year.

The $13 million contract was with the Local Food Purchasing Assistance Program. A pandemic-era program, commonwealth farmers were paid to supply local food banks with fresh produce.

CDP, formerly known as the Carbon Disclosure Project, announced the scores Thursday. It’s the highest grade the city has received from CDP since officials started reporting in 2018.

Smoke drifted over the Great Lakes on Monday night and pushed east, the National Weather Service said, with forecasters warning it will result in smokier skies for the Lehigh Valley and large swaths of the eastern U.S. on Tuesday.

Antone “Tony” Pierucci has been selected to be the new executive director of The Delaware & Lehigh National Heritage Corridor.

The National Weather Service said the haze could be more apparent toward the late afternoon and evening hours, particularly at sunset.

This week, Japanese lunar mission ‘Resilience’ prepares to deploy its lander to the moon’s surface. If all goes according to plan, it will happen Thursday, June 5.

During this year’s spring migration count, which ran from April 1 through mid-May, Hawk Mountain volunteers and staff tallied 1,271 birds of prey.

Sixty-eight state parks across Pennsylvania now offer free menstrual products. It's part of a broader initiative to make public spaces across the commonwealth more accessible and supportive for all.

Technology is a major component in PPL Electric Utilities' ability to provide reliable service to its 1,700 customers in Eastern and Central Pennsylvania.

Essentially a scholastic scrimmage for environmental science, the annual Envirothon combines classroom learning and outdoor activities to engage students in the environment. Find out where Lehigh Valley teams placed.

A two-building, 20-unit apartment complex along Quarry Road received unanimous preliminary final approval from the North Whitehall Township Planning Commission on Tuesday night.