For this then, and for many other reasons, I will say that any new fuels we find will be welcome. I believe that of the new fuels, nuclear energy is the most promising and I will talk about nuclear energy from here on.

Teller's speech was made publicly known by Benjamin Franta, "On its 100th birthday in 1959, Edward Teller warned the oil industry about global warming", The Guardian, 1 January 2018. Original source: Allan Nevins et al. (editors), "Energy and Man, A Symposium", Columbia University, published by Appleton-Century-Crofts, New York, 1960; pp. 53-72.