remember in the late 70s, the great global freeze, it was on the cover of news week and "time" and leonard nimoyas doing a documentary on the great ice age to come. that was the collective wisdom of the scientific community back then, and now we're told this is the collective wisdom of a scientific community now. you can blame a lot of americans, maybe at my age, for saying, wait a minute, which is it? >> i personally, i'm not a scientist, all i can do is listen to scientists. i'm not somebody who goes to church every week, i do listen to scientists. neil: they're not mutually exclusive. >> well, have another debate on that one. but i think that i do believe that if 95% of scientists believe something -- >> i only raise that not to be a taciturn but tight numbers at the time really believe that global freeze was taking hold. and maybe in 77, 78 we had a lot of bad blizzards. >> too far ago for me to remember. neil: do you think it's real enough for us to do something? >> if the scientists feel that strongly, you know, i would take it seriously, and if nothing else as an insurance policy. neil: m