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[email protected]
August 2017
1 participants
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test
by Tobias Polzin
21 Aug '17
21 Aug '17
-- In den letzten 40 Jahren sind weltweit die Wirbeltierbestände um 58 Prozent zurückgegangen. Rechenaufgabe: Bei gleichbleibender Entwicklung bleiben noch wieviele Jahre mit Wirbeltieren?
http://www.wwf.de/living-planet-report/
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