Environment & Science

The Lehigh Valley is under a winter weather advisory, and forecasters say every snowflake that falls will stick easily as the coldest air of the season moves in.

The International Space Station is easily visible from Earth just before dawn or after dusk. It gives off no light of its own, but reflects the Sun off its massive solar panels.

Pennsylvania’s economy will center around agriculture in 2024, according to Gov. Josh Shapiro.

Snow squalls cause dangerous travel conditions and can be blinding for motorists, according to the National Weather Service. The Lehigh Valley is at highest risk from mid-morning into the afternoon.

The weather pattern not only remains active – with another flood watch on Friday – it includes a chance of yet another coastal system impacting the mid-Atlantic region early next week.

Another soaking rainfall and flood watch are expected for the Lehigh Valley on Friday, forecasters said, with widespread impacts somewhat similar to Tuesday’s storm. Then, we take a wintry turn next week.

Ignoring repeated warnings, some Lehigh Valley motorists find themselves stranded after driving through deep roadway water.

Over two inches of rain fell at Lehigh Valley International Airport, setting another daily record on Tuesday, but winds were less than feared.

Another powerful winter storm is set to hit the region, bringing concerns of widespread flooding and high winds Tuesday into Wednesday.

A severe rainstorm is expected to cause flooding that may impact roadways throughout 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.

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

Have you been following the news in the Lehigh Valley this week? Find out how many of these questions about happenings and news around the Lehigh Valley you can answer correctly.

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.

Becky Bradley, executive director of the Lehigh Valley Planning Commission, was one of three speakers in a Friday morning webinar focused on local climate action planning.

WLVR's Megan Frank talks with reporter Phil Gianficaro.