1. Lynas, Mark et al.: Greater than 99  % consensus on human caused climate change in the peer-reviewed scientific literature, Environmental Research Letters, Jg. 16 , Nr. 11 .

  2. https://www.politifact.com/factchecks/2017 /sep/08 /blog-posting/no-30000 -scientists-have-not-said-climate-change-h/.

  3. https://skepticalscience.com/solar-activity-sunspots-global-warming.htm.

  4. https://www.co2 .earth/global-co2 -emissions.

  5. https://www.abenteuer-regenwald.de/wissen/abholzung.

  6. https://www.che-project.eu/news/how-do-human-co2 -emissions-compare-natural-co2 -emissions.

  7. https://www.deutschlandfunk.de/ploetzlich-winter-warum-der-klimawandel-auch-kaelte-mit-100 .html.

  8. https://www.deutschlandfunk.de/ploetzlich-winter-warum-der-klimawandel-auch-kaelte-mit-100 .html.

  9. https://de.statista.com/statistik/daten/studie/164050 /umfrage/waermste-jahre-in-deutschland-nach-durchschnittstemperatur/#professional.

  10. http://berkeleyearth.org/global-temperature-report-for-2021 /.

  11. http://berkeleyearth.org/.

  12. https://www.weforum.org/agenda/2020 /09 /last-ice-age-global-temperature-scientist-predict.

  13. https://climate.nasa.gov/faq/16 /is-it-too-late-to-prevent-climate-change.

  14. https://www.sciencefocus.com/planet-earth/can-we-stop-climate-change/.

  15. https://ourworldindata.org/greenhouse-gas-emissions.

  16. https://www.iea.org/reports/direct-air-capture.

  17. Ebd.

  18. https://www.atmosfair.de/de/kompensieren/wunschmenge/.

  19. https://www.atmosfair.de/de/klimaschutzprojekte/energieeffizienz/ruanda/.

  20. https://www.atmosfair.de/de/kompensieren/wunschmenge/.