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.

As of Tuesday, the Lehigh Valley was suffocating in its thirteenth day of 90-plus temperatures this summer, well on the way to surpassing the average of 14.42 days in the 90s for records that date back to 1912.

The Northampton County Coroner has identified an individual who drowned and later died due to complications of drowning after spending time on the Delaware River this past weekend.

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.

The Lehigh Valley will face “an active week in terms of weather hazards,” the National Weather Service said early Monday, with the remnants of Beryl expected to impact the area.

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.

More than two dozen dinosaurs are on display at the Allentown Fairgrounds Agri-Plex through Sunday night.

Possible showers and thunderstorms will provide little relief from the humidity over the next several days, according to the National Weather Service.

This Fourth of July in the Lehigh Valley, the fireworks in the sky might come from Mother Nature. There's a storm threat, and some will be capable of producing very heavy rain that could lead to localized flash flooding.

The Climate Prediction Center is favoring warmer than normal temperatures for the Lehigh Valley, which has an average daily high of 86.4 degrees in July, according to data from the National Weather Service.

A Mars-themed event at Bethlehem Area Public Library will focus on NASA rovers Curiosity and Perseverance. Registration is encouraged.