Just wanted to post this link, really cool way that NASA is educating the public on Climate change:
http://climate.nasa.gov/index
My personal 2 cents
I think the greatest challenge now isn't educating the masses that don't believe in climate change, or disagree with man's role in it, but how do we act on this information going forward.
As pointed out above, our society and way of life completely revolves the use of hydrocarbons from the way we heat our homes, generate power, transportation, to material goods. Plastics in general has become an essential material in our lives.
It is going to take a significant shift and buy in from everyone, to start shifting our lives away from non-renewable resources to something sustainable and less impactful than hydrocarbons.
The other thing is that even if all human driven activity that contributes to climate change ceases tomorrow, there is already so much heat trapping gases in the atmosphere, that global temperature will still increase for years. We really have to start thinking and preparing how to mediate and adapt to the changing climate.
LChoy