Energy [videorecording] the problems and the future

Examines the potential of several nonpolluting, renewable energy resources, including tidal power, geothermal power, wind power, solar power and hydrogen gas.

Détails bibliographiques
Collectivité auteur: National Geographic Society (Washington, D.C.)
Format: Visual Material
Langue:English
Publié: Washington, D.C. The Society c1978.
Sujets: