The relative size of a water droplet determines the kinetic processes that occur when ozone is taken up at the air-water ...

A Richmond doctor has pleaded guilty after he injected several patients -- many of them unknowingly -- with ozone gas, ...

The chemicals that helped save the ozone layer may be quietly seeding the planet with an indestructible pollutant.

Chemicals used in refrigeration break down in the atmosphere to produce trifluoroacetic acid, a persistent pollutant that ...

Chemicals brought in to help protect the ozone layer have inadvertently spread huge quantities of toxic 'forever chemicals' ...

An international research team led by the University of Bremen has detected chlorofluorocarbons (CFCs) in Earth's atmosphere ...

The Environmental Protection Agency’s decision to stop quantifying the health benefits of regulating soot and ozone is a ...

The Environmental Protection Agency's decision to stop quantifying the health benefits of regulating soot and ozone is a victory for polluters and a loss for the public. Masking the benefits will make ...

Former Harvard T.H. Chan School of Public Health Dean Michelle A. Williams on the EPA’s incorrect and morally wrong decision.

Surface ozone pollution remains stubbornly persistent even as emissions of traditional precursors decline. New research reveals that oxygenated ...

Local pollution cuts haven’t lowered ozone because transported pollution and global emissions now dominate exposure.