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Bertram, Christine, and Katrin Rehdanz. “The Role Of Urban Green Space For Human Well-Being.” Ecological Economics 120.(2015): 139-152. Environment Complete. Web. 14 Feb. 2017.

“Beverage Container Legislation Around the World: Germany.” BottleBill.org, 2 June 2016, www.bottlebill.org/legislation/world/germany.htm. Accessed 16 Apr. 2017.

Gordon, Rachelle. “Recycling Rates: U.S. vs. Europe.” RecycleNation, 5 Aug. 2015, recyclenation.com/2015/08/recycling-rates-u-s-vs-europe. Accessed 16 Apr. 2017.

“Pfand – or the ‘Ransom’ on the Beer Bottle.” Living-In-Germany.net, www.living-in-germany.net/must-knows/pfand-or-the-ransom-on-the-beer-bottle/. Accessed 16 Apr. 2017.

“S-Bahn.” Berlin.de, 5 Jan. 2017, www.berlin.de/en/public-transportation/1746751-2913840-sbahn.en.html. Accessed 12 Apr. 2017.

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Zhang, Dongqing, Tan Soon Keat, and Richard M. Gersberg. “A Comparison Of Municipal Solid Waste Management In Berlin And Singapore.” Waste Management 30.5 (2010): 921-933. Academic Search Complete. Web. 15 Feb. 2017.

Images:

VisitBerlin, VisitBerlin. “Tempelhofer Feld (2).” Flickr, Berlin, 2 July 2012, https://www.flickr.com/photos/visitberlin/8412900417/in/album-72157632608395714/. Accessed 3 Apr. 2017.

Walsweer, Pieter. “Blick Von Der Siegessäule.” Flickr, Berlin, 20 May 2004, https://www.flickr.com/photos/walsweer/19578649/in/pool-mb_berlin/. Accessed 3 Apr. 2017.

Hodgson, David. “Entrance to Sinti and Roma Memorial .” Flickr, Berlin, 16 Feb. 2016, https://www.flickr.com/photos/dphodgson/16361933457/in/album-72157650812993436/. Accessed 3 Apr. 2017.