Today in Toronto, between a Chinese documentary called “Once Upon a Time Proletarian” and a Thai anthology called “Sawasdee Bangkok,” I ran into David Wilson, the co-director of the True/False Film Fest in Columbia, Mo. Started in 2004, that early springtime festival has quickly become one of the most important documentary showcases in America. and Wilson comes here annually to scout out the hottest docs to show in the Show-Me State.

The documentary slate in Toronto this year is particularly dark. It includes “Colony,” about the global disappearance of honey bees, a seemingly trivial matter which actually portends the death of most of our crops, which rely on bees for pollination; “Collapse,” about the global disappearance of oil; and “Petropolis,” about the destructive mining of oil alternatives in north central Canada.

As usual there are music docs, such as “The White Stripes Under Great White Northern Lights” and “The Neil Young Trunk Show” (for which Young was supposed to give an outdoor promo concert here,–except that nobody told him).

Oh, and then there’s Michael Moore’s anti-greed manifesto “Capitalism: A Love Story,” which is likely to rake in more cash than the combined grosses of every other documentary previewed here.

But the upcoming documentary I’m most excited about is one that isn’t even done yet: Wilson’s film with fellow Midwesterner A. J. Schnack about the entertainment mecca of Branson. Mo.  Alas, the film is not expected to be finished until 2011–when all the bees will be gone, all the crops will be dead and all the cars will be running on worthless American greenbacks.