The answer is <span>B. Environmental Protection Agency. This is the agency of the U.S. Government which is responsible for regulating Pollution. It is the </span>protection <span>of key elements of our </span>environment<span> which is </span>important<span> for human health. The ability to breathe clean air, to have a supply of wholesome drinking water and to be protected against the harmful effects of things like waste and noise are fundamental to our well-being.</span>