It is 90 seconds to midnight
By Alan Robock, Owen Brian Toon, Charles G. Bardeen, Lili Xia, Hans M. Kristensen, Matthew McKinzie, R. J. Peterson, Cheryl S. Harrison, Nicole S. Lovenduski, Richard P. Turco | Doomsday Clock, Nuclear Weapons
By Mario E. Carranza | Uncategorized