Critics score:
Reviews provided by RottenTomatoes
Stephen Holden, New York Times: A frightening jeremiad about the effects of climate change. Read more
Ruth Hessey, MovieTime, ABC Radio National: So tightly constructed and dynamic you leave the cinema energised rather than terrified and depressed. Read more
Gary Goldstein, Los Angeles Times: Though this narrative device can feel a bit gimmicky and grandiose, it also provides a visual and emotional power that drives home this absorbing film's crucial cautionary message. Read more