Famed theoretical physicist and cosmologist Professor Stephen Hawking of the 118-Nobel-Laureate University of Cambridge, and a member of board of sponsors of The Bulletin of the Atomic Scientists (2007): “We foresee great peril if governments and societies do not take action now to render nuclear weapons obsolete and to prevent further climate change” ( Will Dunham, “Nuclear, climate perils push Doomsday Clock ahead”, Reuters, 22 January 2007: https://www.reuters.com/article/idUSN17314370 ).
Professor Stephen Hawking (eminent theoretical physicist and cosmologist) addressing the question “Will we survive on Earth?”(2018): “In January 2018, the Bulletin of the Atomic Scientists, a journal founded by some of the physicists who had worked on the Manhattan Project to produce the first atomic weapons, moved the Doomsday Clock, their measurement of the imminence if catastrophe – military or environmental – facing our planet, forward to two minutes to midnight… In 1947, the clock was set at seven minutes to midnight. It is now closer to Doomsday than at any time since then, save in the early 1950s at the start of the Cold War… We see great peril if governments and societies do not take action now to render nuclear weapons obsolete and to prevent further climate change” (Stephen Hawking, “Brief Answers to the Big Questions”, John Murray, 2018, Chapter 7).
Stephen Hawking (2016): “A more immediate danger [than Trump] is runaway climate change. A rise in ocean temperature would melt the ice-caps, and cause a release of large amounts of carbon dioxide from the ocean floor. Both effects could make our climate like that of Venus, with a temperature of 250 degrees” (Emily Atkin, “The media is ignoring the most important part of Stephen Hawking’s comments on Trump”, Altimarius, 31 May 2016: http://altmarius.ning.com/profiles/blogs/the-media-is-ignoring-the-most-important-part-of-stephen-hawking- ).