Researchers at the Paul Scherrer Institute PSI have for the first time observed photochemical processes inside the smallest particles in the air.

Large areas of forests regrowing in the Amazon to help reduce carbon dioxide in the atmosphere, are being limited by climate and human activity.

Scientists at the U.S. Department of Energy’s Ames Laboratory and their partners from Clemson University have discovered a green, low-energy process to break down polystyrene, a type of plastic that is widely used in foam packaging materials, disposable food containers, cutlery, and many other applications.

From climate change and carbon emissions to biodiversity and global hunger, humanity faces so many challenges that tackling them quickly is a daunting task. 

Meteorological spring is just getting underway, and already an enormous plume of sand and dust has blanketed northern China.

Changes foreshadow impacts on lake ecosystems, fisheries.

Corn didn’t start out as the powerhouse crop it is today.

Last month, unusually high winds knocked down 15 giant sequoias in Yosemite.

Archaeologists have a vital role to play in documenting COVID-19 waste but also in informing the policies that may mitigate its longer-term impact, a new study suggests.

Some invasive species targeted for total eradication bounce back with a vengeance, especially in aquatic systems, finds a study led by the University of California, Davis.