Nausicaä of the Valley of the Wind (1984), directed by Hayao Miyazaki, is a Japanese animated science fiction fantasy film based on the manga by Miyazaki. The story follows a young princess navigating a world affected by environmental collapse and conflict between human factions. The film combines ecological themes with elements of adventure and science fiction.

Från IMDB:
Warrior and pacifist Princess Nausicaä desperately struggles to prevent two warring nations from destroying themselves and their dying planet.