The ozone hole that forms yearly over Antarctica has grown for the third year in a row. At nearly 10 million square miles (26.4 million square kilometers), the ozone hole is the largest it's been ...

The ozone hole over Antarctica is the seventh smallest it’s been since the early 1990s. Recovery began with the Montreal Protocol, which ended the production of all chlorofluorocarbons (CFCs) in 1987.

Researchers at Brookhaven National Laboratory, the University of Pittsburgh, and Drexel University in Philadelphia are looking for a more sustainable way to disinfect water. They are studying how ...

Researchers at the University of Pittsburgh and Drexel University in Philadelphia, along with Brookhaven National Laboratory, are working to solve a multipart mystery to make water disinfection ...

The study of ozone dynamics and isotope effects encompasses the intricate chemical pathways involved in ozone formation, destruction and its isotopic composition. Research in this field has elucidated ...

U.S. chemical manufacturer Honeywell International released chlorofluorocarbons (CFCs)—climate super-pollutants and ozone depleting substances that are banned except for limited uses under an ...