Dam resistance. I have compiled a list of important films for those in the anti-dam movement. (If you know of others you think should be listed here, please let me know.)
Central America:
Chixoy Dam, Guatemala. Documentary by Rights Action, 2012.
Rest of the world:
USA: DamNation documentary, 2014.
Brazil: Trailer for "Belo Monte: After the Flood" documentary, 2016.
Brazil and Turkey: Damocracy documentary, 2013.
India, Mexico, Brazil: A River Runs Through Us documentary by International Rivers, 2006.