Which of the following is an environmental impact of an operating facility?

An operating facility can lead to incomplete combustion, which is a significant environmental impact. When combustion processes are not fully efficient, they can emit various pollutants, including unburned hydrocarbons, carbon monoxide, and particulate matter. These emissions can have detrimental effects on air quality, contribute to health problems in humans, and harm the environment.

Incomplete combustion occurs when there is insufficient oxygen for the fuel being burned, leading to a production of harmful byproducts rather than the complete conversion of fuel to carbon dioxide and water. This is particularly relevant in facilities like power plants or industrial operations where fossil fuels are used.

In contrast, increased wildlife habitat, reduced energy consumption, and improved air quality are generally considered positive impacts and would not typically result from the operation of a facility that experiences incomplete combustion. Hence, recognizing incomplete combustion as a key environmental concern helps highlight the importance of efficient combustion processes and the need for monitoring emissions in facility operations.