What if you could miniaturize the world? Would that make our world a better place vix over-population and climate change?

Alexander Payne's Downsizing stars Matt Damon as a man who opts to get small — shrinking down to five inches tall — and embarks on an eye-opening journey from a decidedly different point of view. Christoph Waltz, Hong Chau, Udo Kier, Kristen Wiig and Jason Sudeikis also star.

Here's the first full trailer of the smart and ambitious movie that drew plaudits when it opened the Venice Film Festival two weeks ago: