Learn the Issues

EPA’s Vintaging Model (VM) is a “bottom-up” model named for its method of tracking an inventory of the in-use stocks and emissions from annual “vintages” of new equipment containing ODS and ODS substitutes that enter into service.

Adapting to a Changed Ozone Layer

Access information on how people can protect themselves against harmful UV radiation.

Ozone Layer Science

Access information on the ozone layer, how human activities deplete the ozone layer, and the effects of ozone layer depletion on human health and the environment.

Other EPA Initiatives to Protect the Ozone Layer

Access information on EPA's efforts to address ozone layer depletion through voluntary partnerships with the private sector and activities aimed at educating the public about the health effects of ozone layer depletion.

Phasing Out Ozone-Depleting Substances

Access information on EPA's efforts to address ozone layer depletion by phasing out the production and import of ozone-depleting substances.

Winter Weather O&M for Green Infrastructure

Practitioners will cover a range of practices that can help communities address green infrastructure issues in winter weather.