-
1970
April 22nd declared the first earth day -
1972
first UN conference on the human enviorment -
1973
Canada passed a wildlife act -
1983
UN creates the world commission on the environment and development -
1985
Canada enacts the arctic waters pollution prevention act -
1990
clean air act addresses acid rain and toxic air pollution -
1992
UN earth summit takes place in Brazil -
2000
action plan 2000 on climate change introduced -
2002
world summit on sustainable development -
2004
one tone challenge is launched by the Canadian government