Compilation with key excerpts by prominent scientists features Michael Mann, Veerabhadran Ramanathan, António Guterres, David Spratt, and James Hansen.

Sources

• Climate One, Climate Change and the Threat to Civilization with Michael Mann (2018) https://www.youtube.com/watch?v=5WiiP2KTRXg
• Veerabhadran Ramanathan: Climate change morphing into an existential problem (2017) https://www.youtube.com/watch?v=MmmFwfF8Gig
• World Economic Forum: Humanity’s most existential risks are getting worse. Here’s a major reason why https://www.weforum.org/agenda/2018/01/humanity-s-most-existential-risks-are-getting-worse-heres-why
• UN Secretary-General António Guterres, Climate change: An ‘existential threat’ to humanity, UN chief warns global summit https://news.un.org/en/story/2018/05/1009782
• New Climate Risk Classification Created to Account for Potential “Existential” Threats https://scripps.ucsd.edu/news/new-climate-risk-classification-created-account-potential-existential-threats
• David Spratt speaks 2014, at the Royal Melbourne Institute of Technology. We’ve reached a Point where we have a Crisis, an Emergency https://www.youtube.com/watch?v=3nLEXXvXRY8
• Professor Ramanathan: Climate change morphing into an existential threat at Cambridge Climate Lecture Series https://www.youtube.com/watch?v=pKSBdlGKjXc

Related

• Well below 2 °C: Mitigation strategies for avoiding dangerous to catastrophic climate changes http://www.pnas.org/content/early/2017/09/14/1618481114
• Trajectories of the Earth System in the Anthropocene http://www.pnas.org/content/early/2018/07/31/1810141115
• Take unprecedented action or bear the consequences, says eminent scientist and advisor https://www.climatecodered.org/2018/08/take-unprecedented-action-or-bear.html