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Acid rain occurs when high levels of sulfer dioxide and nitrous oxide accumulate in the atmosphere, changing the pH of rain water. Nitrous oxide and sulfer dioxide are two chemicals released by the burning of fossil fuels. In order to minimize the effects of acid rain on the environment and on human health, we should reduce these emissions and create effective chemical treatment processes for acid rainwater. To reduce emissions, power plants can transition away from coal and towards the use of alternative energy sources such as natural gas. Effective chemical treatment is currently quite expensive; it involves ionic treatment to remove acid deposits from contaminated rainwater. We should continue to explore cost-effective methods of treatment.
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