CineEco - International Environmental Film Festival of Serra da Estrela, organised by the Municipality of Seia, is the only festival in Portugal dedicated to the environment, which has been held uninterruptedly since 1995.
CineEco offers the public quality cinema and little-known, alternative cinematographies in relation to the traditional market. It is a festival that seeks to raise public awareness of cinema, its history and aesthetics, as well as environmental issues.