Fact sheet page: 1 2 3 4 5 6 7 8 9 Quiz 1999 Quiz 2000
September 16, 1999, marks the 12th anniversary of the signing of the Montreal Protocol,the first international agreement to regulate the use of substances that deplete the ozone layer. To mark the occasion, Environment Canada has designed a quiz to test your knowledge about the ozone layer and its importance.
The Green LaneTM,
Environment Canada's World Wide Web Site.