CTV: With the Paris climate change summit just days away, dozens of mayors from around the world are gearing up to represent their municipalities at the global roundtable.
The meeting is largely considered the last chance for world leaders to agree on a set of concrete terms to cap global warming at 2 C above pre-industrial levels. After that, experts fear, the consequences will be irreversible.
Among the leaders will be Vancouver Mayor Gregor Robertson, who has said he wants his city to be the...