Huffington Post: In addition to the staging of the PanAm Games, Toronto was the location of some unusually high profile activities in recent days that were supposed to increase the efforts to tackle climate change.
The events raised some important questions: How effective are efforts to slow the increase of carbon emissions into the atmosphere, do Canadians agree on the extent of damage to our environment, and what do scientists say in their most recent reports about the degree of the threat?
Celebrities lead...