Einstein argues that atomic weapons have made war more destructive but not inevitable, and proposes that the US, Soviet Union, and Britain establish a World Government with control over military matters to prevent nuclear conflict and maintain global peace.
Carl Sagan's 1988 essay argues that the US and Soviet Union should unite against shared existential threats—climate change, ozone depletion, nuclear weapons, and disease—rather than each other. Published in Parade and Ogonyok magazines, the essay contends that technological advancement without long-term foresight has created unprecedented planetary dangers that transcend Cold War divisions.