Canada is green simply because nobody familiar with Canada's security politics and policies has chimed in yet and there does not seem to be any evidence of foul play that is visible from an outsider's perspective.

Cooperative with U.S. interests is generally assumed by almost any country - this map is more about the (hopeful) safety of your servers in data centers in different countries.

I think you can pretty much colour the Echelon Five Eyes countries (USA, Canada, UK, Australia, New Zealand) red right off the bat. If they don't have totally intrusive surveillance legislation yet they will have soon - New Zealand is currently trying to implement it.