Environment & Science

The Lehigh Valley and surrounding areas are under a flood watch from Tuesday afternoon through Wednesday afternoon, according to the National Weather Service.

With some parts of the Lehigh Valley under as much as 9 inches of snow, the National Weather Service says the storm’s not quite done yet.

Olivia Louise McMahon traveled to Dubai last month as part of Penn State University's delegation to the United Nations Climate Change Conference. Officials from around the world discussed how to limit the effects of climate change already present and prepare for further impacts.

The funding for four projects came from the Growing Greener and Act 167 grant programs, both through the state Department of Environmental Protection.

Emergency Management agencies at the county and state level, as well as cities in the Lehigh Valley say they're ready for whatever happens after the snowstorm: including a risk of severe and dangerous flooding.

The proposed hydrogen tax credit rules that could be worth billions for projects, including those in Pa.

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.

A winter storm is targeting the region this weekend, and forecasters say there's a more potent system right behind it that could bring damaging winds, heavy rain and flooding.

Bear Creek Mountain Resort in Macungie will celebrate the official opening of its ski season on Sunday at 9 a.m.

More than a dozen city leaders, including the mayors of Lancaster, Lebanon, York, Philadelphia and Pittsburgh, are calling on Congress to pass the Parks, Jobs and Equity Act.

A “Code Orange” air quality alert is now in effect across the Lehigh Valley.

Tucked into the latest state budget agreement is tens of millions of dollars in new sales tax breaks for companies that build and run server farms known as data centers.

About 37% of ticks in Pennsylvania are the kind that carry Lyme disease, according to the Tick Research Lab of Pennsylvania at East Stroudsburg University.

Black fly spraying starts June 30 along the Lehigh and Delaware rivers.

Some lawmakers and environmental groups are calling on the Wolf administration to strengthen a proposed regulation that aims to curb emissions of the potent greenhouse gas methane before the rule comes up for a final vote. But the proposal exempts tens of thousands of low-producing wells.

Gov. Tom Wolf wants Pennsylvania to join a nationwide program that aims to curb pollution generated by power plants.

State parks saw an increase of more than 7 million visitors last year and the trend is expected to continue.

Around the world, April 21 is the 51st celebration of Earth Day. But here in Pennsylvania, we have a little something extra to celebrate.

Air quality in the Lehigh Valley is getting mixed reviews in the 22nd annual American Lung Association's State of the Air report released April 21.

Bethlehem has announced a new plan to fight climate change. To kick off the effort, the city is creating its first-ever office of sustainability and city residents are being asked to join to help reduce Bethlehem’s carbon footprint.

The spotted lanternfly continues to kill crops across Pennsylvania. The invasive pest was first discovered in Berks County in 2014, and the state recently expanded its mitigation efforts extending the list of quarantined counties.