[maxerickson]

Releasing movies keeps him in the public eye which probably doesn't hurt his speaking fees any.

It seems his other activities have been more beneficial though, he made a lot of money selling Current TV and also lots of money sitting on the board of Apple.

[emodendroket]

Well, OK, sure, but that just bolsters the point, doesn't it? It doesn't seem like talking about climate change is the most lucrative activity he's involved in.