Analyzing Paul Bogard's Let There Be Dark

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When looking up to the night sky in today’s world, the Milky Way does not appear in sight. Instead, a blanket shrouds the night sky. In Let There Be Dark, Paul Bogard builds an argument in order to persuade his audience that natural darkness is essential to everyday life. He builds his argument that natural darkness should be preserved by using evidence, reasoning, and stylistic or persuasive elements.
Bogard uses evidence to argue his point as he says that “in the United States and Western Europe the amount of light in the sky increases an average of about 6% per year.” This decrease in darkness, as the World Health Organization says, causes cancer, as natural light helps people’s bodies because “bodies need darkness to produce the hormone melatonin, which keeps certain cancers from developing.” In order to diminish this, Bogard explains that the American Medical Association supports for “light pollution reduction efforts and glare reduction efforts at both the national and state levels.” Another piece of evidence that Bogard uses is that without darkness America’s farer would loose billions in dollars if the bats did not come out at night to feed on the pests. …show more content…

He claims that “our bodies need darkness for sleep,” and backs this argument up by saying that a lack of darkness causes sleep disorders, as people are unable to sleep. He then explains that “sleep disorders have been linked to diabetes, obesity, cardiovascular disease and depression. Because of this, “there isn’t a place for this much artificial light in our lives.” Bogard also links unnatural light to wasting money, as much of the light in the night sky “is wasted energy, which means wasted dollars.” This reason appeals to readers as no one wishes to waste energy or money, as almost everyone is taught from a very young age not to leave lights on or waste money on unneeded

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