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.

The roads were closed after damage inflicted by heavy rainfall on July 16.

The Lehigh Valley Planning Commission on Thursday night voted against a proposed zoning ordinance amendment by Lower Saucon Township Council regarding the controversial landfill expansion.

Sen. Bob Casey has introduced the No Robot Bosses Act, which intends to protect workers' rights and regulate how companies use AI and algorithms in personnel decisions.

Sweltering conditions in the Lehigh Valley are forecast to end with a bang on Saturday, according to the Storm Prediction Center. But we have to make it through Friday first.

A second round of black fly treatments was slated to begin 10 a.m. Thursday in Bushkill Creek between Easton and Tatamy.

Amidst high temperatures and even higher heat indexes, it is important to know how to cool down and relieve heat stress. However, the Lehigh Valley is underprepared for these extreme temperatures, says an expert.

A statewide drought watch is still in effect, even amid rounds of severe rainstorms and flash flooding.

Heavy rainfall could occur into the evening and overnight.

A July 13 media release stated that the Low Energy Evaporative Fractionation System will employ “an advanced foam fractionation process and proprietary techniques” to treat landfill byproducts.

Officials from Lehigh and Northampton counties are slated to gather at 11 a.m. Aug. 2 at 100 W. Lehigh St. in Bethlehem for a news conference focused on the new project, “Lehigh Valley Breathes.”

The average price for a gallon of gas in Pennsylvania is now 10 cents higher this week, and experts say the pain at the pump is likely to continue.

The Lehigh Valley is preparing for its first official heat wave of the year, with a stretch of 90°+ degree temperatures expected. A heat advisory is in effect from 11 a.m. Thursday to 10 p.m. Friday.