New research by UC Berkeley geochemists shows that copper in soil and seawater acts as a catalyst to turn organic matter into both methyl bromide and methyl chloride, two potent halocarbon compounds ...

As Earth's ozone layer recovers from past emissions of now-banned CFCs and halons, other chemicals are emerging as major causes of stratospheric ozone depletion. Atmospheric scientists have been ...

Copper released into the environment from fungicides, brake pads, antifouling paints on boats and other sources may be contributing significantly to stratospheric ozone depletion, according to a new ...