The 1985 Vienna Convention for the Protection of the Ozone Layer (Vienna Convention) and its 1987 Montreal Protocol on Substances that Deplete the Ozone Layer (Montreal Protocol).

The Vienna Convention provided the framework necessary to create regulatory measures in the form of the Montreal Protocol. [4] In terms of universality, it is one of the most successful treaties of all time, having been ratified by 198 states (all United Nations members as well as the Holy See , the State of Palestine , Niue and the Cook.

What to do if you feel depressed tip 1: Talk to someone Tip 2: Get moving Tip 3: Reframe negative thoughts Tip 4: Find hope and contentment within Tip 5: Add mindfulness to your day Tip 6: Express gratitude Tip 7: Savor simple sources of joy Tip 8: Get a daily dose of sunlight Tip 9: Don’t ignore thoughts of suicide Why am I depressed?

Signed in 1987 and put into effect in 1989, the Montreal Protocol treaty stemmed from increased global concern about the harmful impact that chemicals such as chlorofluorocarbons (CFCs) were.