The Montreal Protocol.
The treaty is Montreal Protocol. It was signed in Montreal only.
Ozone hole allowed to make many important decision. Main was to limit the production of CFC's.
The production of CFC's has been linked. The are synthetic chemicals. These are responsible for depletion of ozone.
Yes, you can think. It is because CFC's are used in almost every part of the world.
(CFC) Chlorofluorocarbons
The treaty is Montreal Protocol. It was signed in Montreal only.
Ozone hole allowed to make many important decision. Main was to limit the production of CFC's.
The united nations.
The production of CFC's has been linked. The are synthetic chemicals. These are responsible for depletion of ozone.
the years of 1975 and 1987
To limit the destruction of ozone, many steps have been taken. Banning of CFC's is the main.
It is mainly due to the impact of westerlies. Westerly winds carry the CFC's to the poles where they cause depletion.
Yes, you can think. It is because CFC's are used in almost every part of the world.
(CFC) Chlorofluorocarbons
In 1987 over 160 countries signed this agreement, phasing out their uses of CFC's and other ozone depleting substances.
The production of CFC's has been linked. The are synthetic chemicals. These are responsible for depletion of ozone.
The size has decreased. The ozone has started to replenish itself.