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Sinopse

What exactly is global warming? This authoritative course dispels the mystery and confusion surrounding this looming threat, while tackling tough issues of accountability and responsibility.

Duração: aproximadamente 8 horas (07:44:08)
Data de publicação: 03/10/2008; Unabridged; Copyright Year: 2003. Copyright Statment: —

• Ciência e Tecnologia
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