Environment & Science

The National Transportation Safety Board released its preliminary findings from a March 2 crash and derailment involving three trains in the Steel City section of Lower Saucon Township.

Aimee Kohler in 2022 launched The Running Kind, a sustainable, Valley- based business focused on zero-carbon racing events for both amateurs and professionals. The next race is set for April 7.

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

Philadelphia set a record Saturday with its wettest March day on record, eclipsing 3 inches just before 2 p.m. The Lehigh Valley didn't get quite that much, but set a record of its own for the day, according to the National Weather Service.

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.

While not federally recognized, residents across the country for the last half-century have acknowledged Earth Day by demonstrating for more environmental protections, cleaning up their communities or learning more about the planet they call home through educational initiatives.

When excessive rain falls, the Lehigh Valley can see flooding of rivers, creeks, streams and other low-lying and flood-prone locations. These area roadways are usually impacted.

The Lehigh Valley is under a flood watch in effect from late Friday through Sunday morning, with excessive rainfall on the way and gusty winds following the storm that could result in power outages.

A coastal system is expected to bring heavy rain to the Lehigh Valley and much of the region this weekend, prompting concerns of flooding and power outages.

The Asthma and Allergy Foundation of America released its Allergy Capitals report this month. Allentown ranked in the Top 15 nationwide.

For the first time, all three of the Lehigh Valley’s cities have a sustainability manager or coordinator, a role dedicated to sustainability initiatives and fighting the worsening impacts of climate change.

Keith Lampman-Perlman, who often goes by “KLP,” recently was appointed as the 176-year-old cemetery’s new executive director, a role focused on community engagement, preservation and fundraising.

After days of updates, forecasters say the overall message is not how much snow or sleet could fall, but how difficult travel could become, especially Friday night.

There's a possible scenario emerging Friday in which parts of the Lehigh Valley could end up with 6 inches of snow, and some could end up with a lot more sleet or even freezing rain.

A new app developed by Moravian Academy students aimed at detecting and warning developers about waste runoff has secured over $10,000 in funding from successful pitch presentations.

Asked Santa for a white Christmas? Snow may arrive a day late in the Lehigh Valley, forecasters say.

This week marks the start of astronomical winter which began with the December solstice, Sunday morning just after 10 a.m. EST.

Already above its December snowfall average, the Lehigh Valley is expected to add a little more to that total this week.

While the penguins were taken off exhibit, barnyard birds and waterfowl at Lehigh Valley Zoo were shuffled to different enclosures so visitors could still view them.

Wind Gap will get a $130,000 state grant to help fund a new, larger pavilion at the borough's municipal park, officials announced Thursday.

Thousands were in the dark in Lehigh and Northampton counties as thunder rumbled and lighting flashed Friday afternoon in parts of the Lehigh Valley. Wind gusts reached more than 50 mph.

Strong winds sweeping through the Lehigh Valley early Friday already were knocking out power to thousands of residents, with outages expected to climb as a powerful cold front moves through the region.