It's non-profit film and on the official YouTube channel it says that redistribution is free. I know you may have seen other similar initiatives on the climate change fight, but information and social action are crucial in this global fight so this is why I am giving you some links. The documentary is 1 hour & 30 minutes long, factual and precise, full of breath-taking nature scenes from all over the Globe.
Updates on the granite chessboard project, still in work, but we're advancing, slow but steady, that's the important part. Images accompanied by English text explanation in the following links.