DVD releases for September 1, 2009.

earth
This documentary from directors Mark Linfield and Alastair Fothergill examines the effects of environmental change by following three animal families—polar bears, elephants, and humpback whales—over the course of a year. Narrated by James Earl Jones.

Hunger
Inglourious Basterds’ Michael Fassbender stars in the true story of IRA member and Irish hunger striker Bobby Sands by director Steve McQueen.

Know Your Mushrooms
Director Ron Mann explores the unusual subcultures surrounding edible—and sometimes mind-altering—fungi during a trip to the annual Telluride Mushroom Festival in Colorado. This special collector’s edition includes a USB flash drive, dried mushrooms, and a companion booklet in a hand-crafted wooden box.

L’age des tenebres (Days of Darkness)
Canadian director Denys Arcand (Barbarian Invasions) continues his exploration of urban estrangement in this film about a bored civil servant who attempts to escape his stagnant reality through a rich fantasy life.

State of Play
After the aide of Congressman Stephen Collins (Ben Affleck) is killed by a train, journalist Cal McCaffrey (Russell Crowe) is assigned to unravel the intrigue surrounding her death.