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More documentaries from the dokthema series are available in the media library: https://1.ard.de/dokthema-start Istanbul - a world cultural heritage site and a metropolis - is increasingly suffering from water shortages. The water supply system is also in poor condition. Added to this are environmental problems such as sea slime in the Sea of Marmara and a planned new canal that could further lower the groundwater level. Citizens now want to prepare their city for a future in times of climate change. Bayerischer Rundfunk: http://www.br.de More information on the program page: http:/www.br.de/dokthema Author: Oliver Mayer-Rüth #Istanbul #Water #Environment