News about the environment isn't always positive, but this is: A new NASA study reports the hole in the ozone layer over Antarctica will be permanently smaller around the year 2040. Ozone is toxic to ...

Ozone is a chemical compound consisting of three Oxygen atoms (O 3). The Oxygen we breathe is made of two atoms (O 2). Ozone is primarily found in the Ozone Layer in the stratosphere, however, it can ...

Gas prices at a pump in West Mifflin, Pa. on Nov. 16, 2018. Allegheny County residents are no longer required to fill their cars with a special blend of gasoline in the summer, the Environmental ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Every dark cloud has a silver lining. At any given time, about 67 ...

Ozone pollution isn’t just a summer story anymore. In parts of northern China, high ozone levels are now appearing during winter—an alarming twist that defies decades of air quality science. This ...

Statistical methods for modelling extremes of stationary sequences have received much attention. The most common method is to model the rate and size of exceedances of some high constant threshold; ...