“Some people say that I should study to become a climate scientist so that I can 'solve the climate crisis'. But the climate crisis has already been solved. We already have all the facts and solutions. All we have to do is to wake up and change.” Greta Thunberg: Rede bei der “Declaration of Rebellion” in London, 31. Oktober 2018

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smarte Aktionen zur grünen Stadt

"Cities are where the battle for sustainable development will be won or lost.“ Panel der UN zur Agenda 2030: A new global partnership (2013, S.17)