Social 8.3 By donaaald8 Period: Jun 19, 1867 to Jun 19, 2015 Environment Apr 22, 1970 Declared First Earth Day Jan 1, 1972 First UN Confernce on the Humn Environment Jan 1, 1973 Canada Wildlife Act is passed Jan 1, 1985 Canada enacts the Arctic Waters Pollution Prevention act Jan 1, 1992 UN Earth Summit takes place in Brazil Jan 1, 1997 Kyoto protocol adopted Jan 1, 2000 Action plan 2000 on Climate change introduced Jan 1, 2005 Kyoto Protocol comes into effect Jan 1, 2006 Canada unable to meet Kyoto goals, one tonne challenge is scrapped Jan 1, 2011 Canada formally withdraws from the Kyoto Protocol