Canada's diverging efforts—moving environmentally unfriendly bitumen south while seeking to contain carbon use up north—highlight the nation’s conflicted approach to energy and ecology.

Science is a necessary point of reference, but it should by no means be the only political voice in the conversation.

“They are here because they care about their families," Archbishop Jose Gomez told America. "They really want to be good citizens."

The four “S’s” call us to be worthy of the privilege of serving the brothers and sisters God entrusts to our care.

"For governments, this means recognizing that indigenous communities are a part of the population to be appreciated and consulted, and whose full participation should be promoted at the local and national level."

More than 15,000 people attended 229 rallies held in 45 states.