The U.S. made further progress protecting the ozone layer through successful agreements at the 20th meeting of the parties to the Montreal Protocol in Doha, Qatar, according to an EPA press statement. Developed and developing countries agreed to add $490 million to the Montreal Protocol’s Multilateral Fund for the next three years, This will help phase out chlorofluorocarbons (CFCs) and replacement hydrochlorofluorocarbons (HCFCs), and help demonstrate the environmental benefits achieved by destroying banks of unnecessary CFCs.

One hundred ninety-three countries are parties to the Montreal Protocol on substances that deplete the ozone layer. Signed in 1987, this treaty is helping to heal the ozone layer by ending the production of ozone-depleting substances, according to EPA.