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first earth day
on April 22 1970 it is the first earth day -
Period: to
10 changes to the environment
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conference human environment
first conference on human environment -
commission on the environment
UN creates the world commission on the environment and development -
arctic waters pollution
Canada enacts the Arctic waters pollution prevention act -
clean air act
clean air act addresses acid rain and toxic air pollution -
Kyoto Protocol adopted
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action plan
action plan on climate change introduced -
world summit on sustainable development
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one tonne challenge
one tonne challenge is launched by the Canada government -
kyoto protocol comes in to effect