The concentration of salt in the ocean doesn’t change much, so plant and animal life don’t have anything to worry about, ...

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

Chemicals brought in to help protect our ozone layer have had the unintended consequences of spreading vast quantities of a ...

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