- Historical event:
- 16 September 1987
- If the countries stick to their commitments, it is assumed that the Earth's ozone layer will be renewed till 2050.
The Montreal Protocol on Substances That Deplete the Ozone Layer was first signed on this day in 1987.
About 197 countries signed the protocol (during the 25-year period).
Some people consider it the most successful international agreement regarding the protection of nature.
The protocol implementation shows encouraging results.
The amount of gases harmful to the ozone layer was reduced, and the ozone layer shows “signs of recovery”.
If the countries stick to their commitments, it is assumed that the Earth’s ozone layer will be renewed till 2050.