David Parker's "Light" depicts light pollution and wasted energy as a sort of Blob, not necessarily malign but relentless and implacable. In the film, energy-burning lights start dripping goo that covers the ground and finally drives people out of their homes -- but it's all very quiet and eerie, like a Chris Van Allsburg drawing. Showing light as akin to an oil spill draws attention to the wastefulness of using artificial lighting when it's not needed -- wasting energy does basically cover the planet with a gross oily substance, just not necessarily locally and not right away.
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