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[Perspectives] The growing human footprint on the planet

About halfway through Valentina Canavesio’s documentary film Footprint, an expert reflects that population control is the easy subject to identify as the cause of many of the world’s problems but, he asks, what do you actually do about it? The film offers a depressing tale about the unsustainable future of humanity due to over-running the carrying capacity of the planet in food, water, and housing.