Hydroxyl scrubs the potent greenhouse gas methane from the atmosphere. But its production is linked with emissions of other ...

cloud the worldwide picture, and many developing countries have relied on air quality sensors mounted on U.S. embassy and consulate buildings to track their smog levels. However, the State ...

The only reason why these gases are not continuously accumulating in the atmosphere and we are not choking in a giant smog cloud is that the atmosphere makes its own detergent: hydroxyl.

Only seven countries met World Health Organization (WHO) air quality standards last year, data showed on Tuesday, as researchers warned that the war on smog would only get harder after the United ...