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This film consists almost entirely of aerial shots of different places on Earth. A narrator (Glenn Close) provides some details about the locations and the origins of life on Earth, before focusing on the changes that humans have made to the environment throughout history. First, the effects of agriculture are examined, followed by the large shifts in industry and the consumption of resources. The latter portion of the film focuses on global warming and carbon emissions, as well as desertification and refugee problems as a result of climate change, before changing to a study of possible reforms and remedies to the problems facing the planet.