Discovery - Fornecendo Energia ao Futuro

Parte 1:

Link: http://www.youtube.com/watch?v=yejXL0mrWUs

Parte 2:

Link: http://www.youtube.com/watch?v=9qXZNVILNTo

Parte 3:

Link: http://www.youtube.com/watch?v=didktNM3d6Y

Parte 4:

Link: http://www.youtube.com/watch?v=Ij7VluRu9u0