Environment & Science

Officials from the state Department of Environmental Protection issued a Code Red Air Quality Action Day for all of Pennsylvania, including the Lehigh Valley.

A tornado warning was issued in the Martins Creek area of Northampton County on Monday afternoon as severe storms moved through. On Tuesday, the National Weather Service confirmed a twister had reached the ground.

Officials gathered at The Waterfront to highlight the Environmental Protection Agency’s $5 billion climate pollution reduction grants program.

The region had been in drought and running a deficit in the rain column, but things changed in a big way on Monday for some parts of the Lehigh Valley. Now, more heavy rainfall is on the way.

The council voted 3-2, approving the preparation of a new landfill ordinance, all while the original proposal is under court review.

Storms today could bring damaging winds, large hail, flash flooding or even a tornado or two across the region. The Lehigh Valley is now under an enhanced risk for severe weather.

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.

Lehigh Valley Zoo officials this week publicly announced the birth of a bison calf, adding to the population boom of new animals at the zoo this year.

The greater potential impact with heavier showers and thunderstorms looks to be Friday and Monday, meteorologists say, with scattered storms over the weekend.

Pools around the Lehigh Valley participated in the World's Largest Swim Lesson with free sessions Thursday. Kids jumped in the wave pool at Dorney Park and Cedar Beach Pool in Allentown.

A complex storm system will bring snow to the Lehigh Valley on Friday before temperatures tumble, forecasters warn.

Several Lehigh Valley schools are closing Friday because of the weather forecast.

The Lehigh Valley is under a winter weather advisory and will see accumulating snow for the second time this week. But totals could be higher, with a lot of variables at play.

Easton's Nurture Nature Center may be able to add a new immersive dome theater to their location, provided they receive a parking variance and government clearance to use funding for the project.

The Lehigh Valley won't get a break from snow and brutal cold. Another storm is brewing for the region on Friday.

The National Weather Service recorded 3" of snow at Lehigh Valley International Airport by 1:00 p.m. on Tuesday, where school closures opened up a world of opportunity for some kids who wanted to get outside and do some sledding.

North Whitehall Township's Klusaritz Family Farm was recognized at the Pennsylvania Farm Show as one of six farms across the state that had been in the same family for more than 100 years.

Snow and freezing temperatures brought slick roads and travel disruptions to the Lehigh Valley, with the coldest days of the winter expected after the storm.

Easton is looking for a new conservation management apprentice, a position which will entail planting and maintaining urban trees throughout the city.

Several districts announced they would be closed Tuesday because of the weather forecast, which calls for 4 to 6 inches of snow in the Lehigh Valley.

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.