It’s too late to be a pessimist

Home is an spectacular wake-up call for all of us living on this planet, if we’d only care to listen. Accompanied by a series of stunning aerial images of Earth, the history of our relationship with the environment is quickly reconstructed, and the unsustainability of our current practices made very explicit.

Its authors want the move to have the biggest exposure, and it can be freely distributed with their permission. I personally got it in HD from this torrent, but you can find alternative sources from a quick google search. Go and watch it when you have some time, I think it’s an hour and a half well spent.