Researchers have created a dataset of the whole atmosphere, enabling new research to be conducted on previously difficult-to-study regions. Using a new data-assimilation system called JAGUAR-DAS, ...

Since the 1985 discovery of a hole in the ozone layer countries have agreed and amended treaties to aid its recovery. The most notable of these is the Montreal protocol on substances that deplete the ...

Carbon dioxide levels in the atmosphere rose by a record amount to new highs in 2024, locking in yet more long-term global warming, UN experts have warned. The annual update by the World ...

We successfully plugged the hole in the ozone layer that was discovered in the 1980s by banning ozone-depleting substances such as chlorofluorocarbons (CFCs). But, it seems we might be unintentionally ...

V. Faye McNeill is in the Department of Chemical Engineering and the Department of Earth and Environmental Sciences, Columbia University, New York, New York 10027, USA. Read the paper: Chlorine ...

While temperatures at the Earth's surface continue to rise, a completely contrary trend is unfolding miles above our heads. The stratosphere, the atmospheric layer stretching between 7 and 31 miles up ...