Ozone depletion describes two distinct but related ... The main source of these halogen atoms in the stratosphere is photo dissociation of man-made halocarbon refrigerants (CFCs, Freon, and ...

Source:gml.noaa Studies show that ozone depletion has been more pronounced in the Southern Hemisphere, especially in ...

The Portland metro area lands in the middle of the pack for ozone pollution, according to a new report from the American Lung ...

Scientists have identified nine planetary boundaries that help regulate a livable planet. Human activities have pushed six of ...

ecent findings show the Antarctic ozone hole this year is smaller and formed later than expected, raising questions about whether Earth is on the path to healing. According to the study’s lead ...