Outdoor air pollution is estimated to contribute to more than 100,000 premature deaths in the United States each year, ...

The Antarctic Peninsula, one of the fastest-warming regions on Earth, has seen temperatures rise five times faster than the global average in recent decades. Extreme heat events, such as the ...

Models, by definition, are approximations: useful, informative, and inevitably incomplete, because they are the only way to simplify a world too complex to grasp all at once. A new study on nitrous ...

During a La Niña, a counterpart to the El Niño weather pattern, drier than normal conditions are to be expected. But 2023, a La Niña year, turned out to be California’s 10th-wettest year on record.

People have always looked for patterns to explain the universe and to predict the future. “Red sky at night, sailor’s delight. Red sky in morning, sailor’s warning” is an adage predicting the weather.

Suggested Citation: "3 Ozone Reduction by HSCT-Emitted Nitrogen Oxides." National Research Council. 1998. The Atmospheric Effects of Stratospheric Aircraft Project: An Interim Review of Science and ...