Since we ended up arguing about this today, I thought I would post this blog from Paul Wells on what could be the main issue in 2015. Interestingly it happens to note the fact that Harper was pushing cap and trade but has distanced himself, but I digress. This is more about the NDP and CPC and the potential fight between them.
http://www2.macleans.ca/2012/03/04/b...d-environment/