Great lakes, fragile seas [videorecording]

North America's freshwater seas have been subjected to decades of human abuse. Documents concurred groups attempting to repair past damage and confronting new threats to these waters. Shows how bodies of water affect lives of people. Shows the multifaceted aspects of the seas and other bodies o...

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Bibliografiska uppgifter
Institutionella upphovsmän: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
Övriga upphovsmän: Seamans, Joe
Materialtyp: Visual Material
Språk:English
Publicerad: Washington, D.C. The Society c1991.
Ämnen: