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Theyre falling out of the skies, clogging up rivers and spoiling shorelines around the planet. Why are we seeing mass animal die-offs around the world? Scientists are searching for answers, while also studying why some species are beginning to vanish. In the United States, shrinking populations of bees and bats worry researchers.
Første luftdato : Feb 23, 2010
Sidste luftdato : May 03, 2013
Episode : 13 Episode
Sæson : 2 Sæson
Kørselstid: 48 minutter
Studio: RMC Découverte, National Geographic
Land: Germany, United States of America
Cast:
Mandskab: Michael Welch (Production Director)
