Chikyuu no Himitsu
English title: Secrets of the Earth
Japanese title: 地球の秘密
Alternative titles: Secrets of the World
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: 1995 to Feb 1, 1995
Duration: 25 min per ep
Rating: G - All Ages
Demographics: Kids

A two-part video series under the auspices of the Japanese Department of the Environment. An environmentally themed story.

(Source: The Anime Encyclopedia)