Under the U.S. Clean Air Act on substances that deplete the ozone layer, the EPA is phasing out the production and import of hydrochlorofluorocarbons (HCFCs) to protect the ozone layer. By phasing out the production of ozone-depleting substances like HCFCs, homeowners and HVAC contractors are reducing the risk of skin cancer caused by exposure to UV radiation. In addition, many of these ozone-depleting substances are greenhouse gases that contribute to climate change.
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