TEMPORADA: 5
EPISóDIO: 21 - Alaska: The Closing Frontier
SINOPSE
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.
RUNTIME: 55 min
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Origin - Desigualdade e Preconceito 
Harry Potter e a Ordem da Fénix 
Aquários XXL 
Infinito 