Orijinal sürüm 28 juin 1978
Önceki bölüm S05E20 - A Whisper from Space
Sayı S05E21
Ülke Amerika Birleşik Devletleri
Orijinal dil İngilizce
Genus Belgesel
Dış bağlantılar TheTVDB sayfası
IMDB sayfası
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Son güncelleme 11 mars 2026 - 05:40
11 veritabanında

Alaska: The Closing Frontier

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Congress is currently considering a proposal that would double the size of America's national park system by designating a sizeable chunk of Alaska as off-limits to developers. NOVA explores the public debates on Alaska, such as the construction of the oil pipeline—a proposal that has sparked a bitter controversy between conservationists and developers.