The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from an investigation of the governing physics.
Carl SaganThe dumbing down of America is evident in the slow decay of substantive content, a kind of celebration of ignorance.
Carl SaganThe notion that science and spirituality are somehow mutually exclusive does a disservice to both.
Carl SaganQuickly capping 363 oil well fires in a war zone is impossible. The fires would burn out of control until they put themselves out... The resulting soot might well stretch over all of South Asia... It could be carried around the world... [and] the consequences could be dire. Beneath such a pall sunlight would be dimmed, temperatures lowered and droughts more frequent. Spring and summer frosts may be expected... This endangerment of the food supplies... appears to be likely enough that it should affect the war plans.
Carl Sagan