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A book, simply called "Home" was published just a couple of months ago and is available from most online book retailers. The author also has set up an organisation called Good Planet Foundation, to promote the messages in the book...and film.
Yes, there's a film. It's an hour and a half long, has stunning visuals and costs...nothing. The entire film is available on YouTube. It's an incredible piece of work, documenting the formation of the Earth (in geologicalm time), diversity of life and Man's impact on the planet. A complete joy to watch; here's the trailer, from which there's a link to the full film:
As a bonus, here is a link to a video of the author giving a recent talk in Oxford. Very inspirational stuff:
Watch it here