PFAS (per-and polyfluoroalkyl substances), a group of more than 4,700 fully synthetic compounds that are widely used in industrial and manufacturing processes and found in many consumer products, persist through wastewater treatment at levels that may impact the long-term feasibility of "beneficial reuse of treated wastewater," according to a study conducted by researchers at Penn State and recently published in the Agronomy Journal.

Hydrogen sulfide gas has the unmistakable aroma of rotten eggs.

The preheating emissions were compared to calculated emissions from driving to determine the driving distance corresponding to the preheating emissions under current emissions standards.

Higher exposure to a certain type of traffic-related air pollution called particulate matter may be linked to an increased risk of dementia, according to a meta-analysis published in the October 26, 2022, online issue of Neurology, the medical journal of the American Academy of Neurology.

Soil moisture content is the main factor that controls how far and at what concentration natural gas spreads from a leaked pipeline underground, a new study has found.

New research, led by the University of Massachusetts Amherst, refines our understanding of the chemical traces that act as the rain’s fingerprint. 

Population aging and economic development setbacks may outpace the health benefits of less air pollution and slowed climate change, according to a Penn State-led researcher team examining air quality and the factors most likely to impact future premature deaths.

Come fall, the sound of a leaf blower blasting leaves into piles, or the sight of a queue of garden waste-packed trailers at the recycling center is all too common, as trees shed their golden brown and yellow robes.

The journeys of night-migrating birds are already fraught with danger.

In an age of industrialized farming and complex supply chains, the true environmental pressures of our global food system are often obscure and difficult to assess.