• The Zero Hour with RJ Eskow: Dr. Katey Walter Anthony: What’s Happening to the Permafrost? https://www.youtube.com/watch?v=fetZbsIH_yk
• France 24: Could thawing permafrost unleash long-gone … https://www.youtube.com/watch?v=B8pSo3_0gkk
• Yale Climate Connections: Permafrost: The Tipping … https://www.youtube.com/watch?v=FLCgybStZ4g
• Neanderthal extinction https://en.wikipedia.org/wiki/Neanderthal_extinction
• Sound effects by Boom Library https://www.boomlibrary.com
• Music by Epic Stock Media http://epicstockmedia.com

Further reading

• Neanderthals Could Have Been Killed Off By Diseases Carried By Migrating Humans https://www.iflscience.com/health-and-medicine/neanderthals-could-have-been-killed-diseases-carried-migrating-humans/
• Tipping Elements – the Achilles Heels of the Earth System https://www.pik-potsdam.de/services/infodesk/tipping-elements/kippelemente