Datei:Klimawandel Konsens Wissenschaft anthropogener Einfluss Lynas 2021.jpg|<ref>Mark Lynas, Benjamin Z Houlto, Simon Perry: Greater than 99% consensus on human caused climate change in the peer-reviewed scientific literature, Oktober 2021, Environmental Research Letters, Volume 16, Number 11, DOI 10.1088/1748-9326/ac2966</ref>