So, what are concrete suggestions for living sustainably in Berlin?
The Berlin Senate has already been putting some ideas into practice:
The recycling company Berlin Recycling has a few suggestions: https://www.berlin-recycling.de/blog/impulse/532-wie-es-sich-in-einer-grossstadt-nachhaltig-leben-laesst
Some more ideas are suggested by https://utopia.de/ratgeber/berlin-nachhaltige-tipps-shoppen-essen/, whereby the article was written in 2017, so some ideas might be affected by the coronavirus pandemic.
Have a look at some of the videos made by the WWF on Earth Overshoot Day https://www.wwf.de/aktiv-werden/bildungsarbeit-lehrerservice/earthovershootday-wie-der-eigene-fussabdruck-die-welt-veraendert/
Here are some of the ideas pupils in secondary level schools are putting into practice in Baden-Württemberg https://www.bne-bw.de/schule/sekundarstufe-i-und-ii.html