https://www.dw.com/de/co2-aussto%C3%9F-von-online-video-streaming-als-klima-killer/a-49469109
(Quelle: DW | 11.07.2019, zuletzt abgerufen am 2019-08-21)
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https://www.dw.com/de/co2-aussto%C3%9F-von-online-video-streaming-als-klima-killer/a-49469109
(Quelle: DW | 11.07.2019, zuletzt abgerufen am 2019-08-21)