I noticed that I'm one of the younger people in the gallery. We're obviously missing the demographic of the twenties and the teens, so my key suggestion would be that we seriously consider lowering the voting age to 16 or 15 so that people don't grow up to be disenfranchised teenagers who can drive cars and participate in society, except to the extent of choosing their lawmakers.
That's a key change, because even if we change the electoral system, it still won't matter to teenagers. If they don't become interested in democracy at a young age, maybe they won't stay interested afterward.
Just as a quick story, when I was a teenager at university, I decided to vote where I lived, in residence, as opposed to going home to my parents' riding to vote there. Had I travelled home, I would have changed the result of the election, because it ended in a tie, so I'm responsible for a tie in parliamentary democracy voting.
That would not be a problem if we had a proportional system, because then the losers would not be totally out and not have a voice for the next four years. We really need to make a system in which everybody has a voice. Even if we don't like what they're saying, they still need to be able to participate in creating our laws.
Right now I think we have a lot of problems in addressing serious issues like climate change because, as Dr. Harding mentioned, we have local representatives who are still beholden to special interests over the interests of the entire constituency.