A couple of interesting links:
Peak grain? Scary.
and this one,
why it’s hard to debate a cornucopian.As David Denby said in The New Yorker when he
reviewed Al Gore’s
An Inconvenient Truth,
“Anyone in possession of a major truth that he can’t get others to accept begins to feel that he’s losing his mind. The skepticism he meets turns him into a soreheaded obsessive. After a while, he becomes ‘pedantic’ and then, inevitably, ‘condescending’ and ‘humorless.’ ”