Ozone pollution, typically associated with warm weather and strong sunlight, has begun to manifest alarmingly in winter. This ...

Officials cautioned that ozone formation is a complex process with many factors, saying they cannot be sure that the hot fall was the driving factor in October’s exceedances. “It is not ...

The mechanism of ozone destruction by iodine is similar to the process by which chlorofluorocarbons (CFCs) created the ozone hole over Antarctica. When CFCs undergo photolysis, they release ...