>We have evidence that that the environment as it exists now, is a relatively stable regime. Umm.. http://en.wikipedia.org/wiki/Snowball_Earth http://en.wikipe

>We have evidence that that the environment as it exists now, is a relatively stable regime. Umm.. http://en.wikipedia.org/wiki/Snowball_Earth http://en.wikipedia.org/wiki/Snowball_Earth ?!