Industries & Professions /
Environmental engineers design, build, and maintain systems to control waste streams produced by municipalities or private industry. Such waste streams may be wastewater, solid waste, hazardous waste, or contaminated emissions to the atmosphere (air pollution). Some environmental engineers study ways to minimize the effects of automobile emissions, acid rain, global warming, and ozone depletion. Environmental engineers typically are employed by the Environmental Protection Agency (EPA), by private industry, or by engineering consulting firms. There are approximately 50,850 environmental engineers employed in the United States. Environmental engineers may also be known as public health engineers, sanitary engineers, and waste management engineers.