Consumption of CH 3 CCl 3 is to be phased out by 2015. Consequently, global emissions of CH 3 CCl 3 decreased from about 720 to 20 Gg (1990–2000; ref. 1) and atmospheric background concentrations have ...

The atmosphere's capacity for cleansing itself of air pollutants is more stable than previously thought, according to a new study An international, NOAA-led research team took a significant step ...

The OH radical reacts with other species in the atmosphere within 1 second, making its direct measurement a technical feat — one that is not possible on the time and space scales necessary to ...

We now have a clearer picture of how the atmosphere cleanses itself of air pollution and harmful gases. With their recent study, an international team headed by scientists from the National Oceanic ...

Methyl chloroform is a colorless, volatile solvent with a pleasant odor. It is slightly toxic and nonflammable. This solvent can be used as a . . . This is one of a series of articles published ...

Since 2007, scientists have been searching to find the cause of a sudden and unexpected global rise in atmospheric methane, a potent greenhouse gas, following almost a decade in which concentrations ...