It uses pop - up windows to provide some text facts as well as interviews with various folks involved in the production. (dvdmg.com)
There's nothing to say that this movie will do anything differently, but taking a look at the cast, there are some legitimately funny folks involved. (thescorecardreview.com)
I've rounded up some other reactions (including a defense) from a few folks involved in film and / or environmental communication work or analysis. (dotearth.blogs.nytimes.com)