Timeline Friday 29 June 1990

Events on Friday 29 June 1990 1

• 1990 Nations strengthen ozone treaty in London London Amendment tightens CFC phase-out Parties to the Montreal Protocol meeting in London on 29 June 1990 agreed to a complete phase-out of ozone-depleting CFCs by 2000. The London Amendment strengthened the original 1987 treaty and added funding to help developing nations comply. It became a landmark in international environmental cooperation.