[Calvin Locke]

Sagaaaannnn’s “nuclear Winter” is more of a reality, albeit somewhat localized to the areas around NK, than it was when Sagan was alive and lying.

[ealgeone]

At the 13:59 mark in the episode a professor says we can predict with confidence "we are currently heading toward another ice age."

He [Dr James Haze] was basing that on core samples collected and studied at Columbia University.