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.

A farm in Lehigh County has tested positive for HPIA, according to a news release Monday from the state Department of Agriculture. A response team is in place and the farm has been quarantined, officials said.

This week, WLVR's Brad Klein explore The Pleiades, a prominent winter asterism, or group of stars that form a recognizable pattern in the night sky.

State officials announced the theme for this year’s annual tick-themed art contest, “Protect. Check. Remove.” Last year, there were no winners in the Lehigh Valley.

A cold snap that sent temperatures near historic lows brought record winter demand for electricity across numerous regional grids and service territories, including the Lehigh Valley.

Emmaus is one step closer to remediating two of its PFAS-contaminated wells. PFAS are also called "forever chemicals" because they are slow to breakdown in the environment and are linked to a variety of health issues.

Bird flu has arrived in the Lehigh Valley, contributing to the deaths of about 5,000 migrating snow geese at sites Lehigh and Northampton counties.

Letters of application for renewals of existing wastewater treatment plants and related discharges at Lehigh Township Municipal Authority-Pennsville and Lehigh Carbon Community College were approved by the LVPC Environment Committee on Tuesday morning.

The wind chill was minus 11 on Tuesday morning, and a cold weather advisory remains in effect in the Lehigh Valley until Wednesday. With those temperatures, we're more like Buffalo and colder than parts of Siberia.

The National Weather Service has issued a cold weather advisory for the Lehigh Valley and other parts of eastern Pennsylvania through noon Wednesday, with wind chills dropping to as low as 13 degrees below zero.

This week, WLVR's Brad Klein explore the prominent winter constellation Orion wit Marty McGuire, offering insights on its star patterns. Klein prefers to reimagine it as Orion the Dogwalker alongside the bright star Sirius.

While the snow took a few hours to start piling up, by mid-afternoon it was falling at rates of two inches per hour in some parts of the Lehigh Valley. Dangerous cold will follow the snow, forecasters say.

Following a Winter Storm Warning, The National Weather Service at Mount Holly, New Jersey has now issued a cold weather advisory for the Lehigh Valley and surrounding areas, warning of "dangerously cold" temperatures this week.