Leonardo DiCaprio to produce documentary about global warming

Eco-minded actor Leonardo DiCaprio — who tools around L.A. in a Prius and has been outspoken about issues like worldwide access to potable water — is now bringing a tree-hugging message to film. According to spokesdude Ken “Walkin’ on” Sunshine (we made that middle part up), DiCaprio has started work on 11th Hour, a full-length documentary about global warming. The multi-talented DiCaprio will produce, co-write, and narrate the film, scheduled to hit the big screen in fall 2006. “Global warming is not only the No. 1 environmental challenge we face today, but one of the most important issues facing all of humanity,” said DiCaprio. Hey Leo, we’d warm your globe …