"This is bigger than it looks like on the surface, and it could threaten our personal freedoms," Maes told Denver Post reporter Jennifer Brown.
"These aren't just warm, fuzzy ideas from the mayor. These are very specific strategies that are dictated to us by this United Nations program that mayors have signed on to," he continued.
Maes is referring to the International Council for Local Environmental Initiatives, an international association that promotes sustainable development, of which Denver is a member.
Thanks to Jeanette Lostracco