If you don't watch the Daily Show, you should! Its a comedy show about political topics 
#1 I think when it comes to climate change politics kids are not too young to fight for policies that will reduce GHG emissions.
But the pro-market and communism are a little extreme π and up on the internet for the world to see... it could potentially bite them in the butt later.
This video is unavailable in the UK, but I think that by ensuring that political interest is sparked at an earlier age can only be a positive step.
I found that engaging politics was a fundamental part of my personal development, it made me think about the core principles that I wanted to live by and shape me as a person. Many young people often feel lost and ignored and giving them the right to vote would make them feel empowered and more confident I would think.