One of the biggest environmental problems threatening our world today is acid rain. Acid rain, or acid precipitation, refers to the overly acidic components in rain, snow, dew, or dry particles. Acid rain occurs when sulfur dioxide and nitrogen oxides are emitted into the atmosphere. When water droplets in clouds absorb them, they go through different chemical reactions and fall to the ground as precipitation. Acid rain first started being a problem ever since the Industrial Revolution. Ever since then, emissions of nitrogen and sulfur dioxide into the atmosphere have increased over time. It was first discovered in Boston, Massachusetts in 1852 by Robert Angus Smith. He found that acid rain happened due to air pollution. Sulfur dioxide is primarily responsible for acid rain. Sulfur is found trace element in coal and oil. When these are burned power plants and industrial boilers, it combines with oxygen to make sulfur dioxide. When this is released into the air, the......
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