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.

Hazardous levels of benzene, a gas known to cause leukemia and other blood cancers, are leaking from gas stoves in California, a new study finds.

Ship tracks, the polluted marine clouds that trail ocean-crossing vessels, are a signature of modern trade.

Researchers have discovered that an 80 year old historic World War II shipwreck is still influencing the microbiology and geochemistry of the ocean floor where it rests. 

Deep below the ocean’s surface, the seafloor contains large quantities of naturally occurring, ice-like deposits made up of water and concentrated methane gas.

Satellites face greater chances of collision with space debris as a result of reduced density in the upper atmosphere.

By the end of this century, permafrost in the rapidly warming Arctic will likely emit as much carbon dioxide and methane into the atmosphere as a large industrial nation, and potentially more than the U.S. has emitted since the start of the industrial revolution.