Environment & Science

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.

Following morning sunshine, thunderstorms are in the forecast. But will the Lehigh Valley see severe weather on Saturday?

Record-warm ocean temperatures are likely to fuel the peak of hurricane season, scientists at the National Oceanic and Atmospheric Administration said Thursday.

For those who lost power in their homes due to the tornado that raced through Allentown on Monday, the first thought would be to call PPL. Think again.

It’s the peak of the annual Perseid meteor shower and WLVR’s Brad Klein speaks with a local amateur astronomer about how best to see meteors in the night sky.

An Allentown homeowner caught on video the moment an EF-1 tornado touched down in the city’s Midway Manor neighborhood on Monday night.

As cleanup continues from Monday’s severe weather, the Lehigh Valley will see a period of rain Thursday that could bring localized flooding to some areas.

The National Weather Service determined damages during a severe thunderstorm Monday night were from straight-line winds as high as 100 mph, but no tornadoes touched down there.

The National Weather Service rated the tornado as an EF-1 — the second-weakest on the scale. It hit the Midway Manor neighborhood of Allentown and crossed into Bethlehem briefly, according to a weather service statement.

A National Weather Service survey team confirmed a tornado touched down in Allentown’s Midway Manor neighborhood Monday night on the east side, but the twister was unwarned.

Observers are expecting legal challenges to Pa.'s participation in the Regional Greenhouse Gas Initiative.

The winning Bangor team will go on to compete in a statewide competition next month.

Cynerio says the flaws could have allowed hackers to control the robots, open locked doors and watch patients.

Because the state isn't complying with its plan, the EPA will redirect money and step up its inspections.

Virtual public hearings on the new rules are set to begin this week.

Two years after the start of the pandemic, they're ready for a full return of visitors.

A House committee approved legislation that allows more gas drilling and urges new pipelines.

The cost of fertilizer is up as much as 300% from last year.

The chemicals accumulate in the environment and don't easily break down.

Gov. Tom Wolf's budget proposal calls for an additional $5 million for the new hires.

Four of the 5 candidates participated in the 1st major debate of the Democratic primary.

State environmental officials have found PFAS in one-third of Pa. water systems.