Den 15. marts 2019 nåede strejkerne et foreløbigt højdepunkt, med anslået 1,4 mio strejkende skoleelever og studerende i mere end 2.000 byer i over 100 lande over hele verden: Stockholm 15-20 tusinde, Melbourne 30 tusinde, Berlin 20 tusinde, München 8 tusind, foruden Paris, London, Washington DC, Reykavik, Oslo, Helsinki, København, Tokyo, og mange andre steder.<ref name=":0">{{Cite news|title=Climate strikes held around the world – as it happened|author-last1=Glenza|author-first1=Jessica|author-last2=Evans|author-first2=Alan|author-last3=Ellis-Petersen|author-first3=Hannah|author-last4=Zhou|author-first4=Naaman|date=2019-03-15|issn=0261-3077|newspaper=[[The Guardian]]|url=https://www.theguardian.com/environment/live/2019/mar/15/climate-strikes-2019-live-latest-climate-change-global-warming|access-date=2019-03-16|archive-date=16. marts 2019|archive-url=https://archive.today/20190316124506/https://www.theguardian.com/environment/live/2019/mar/15/climate-strikes-2019-live-latest-climate-change-global-warming|url-status=live}}</ref>
Jura Politik Samfund Traktater Kultur Miljø_og_samfund Uddannelse Folkeret Organisationer