Which of the following is not a type of pollution?

The question asks for a type of pollution that does not fit standard classifications. Water, noise, and soil pollution are well-documented categories, each with specific sources and environmental impacts.

Water pollution involves contaminants entering water bodies, affecting aquatic life and human health. Noise pollution is characterized by excessive or harmful levels of noise, often from urban environments, which can impact both human health and wildlife. Soil pollution refers to the degradation of land quality and health due to the presence of hazardous substances, often resulting from industrial activities or improper waste disposal.

While "carbon pollution" is a term that can be used to describe elevated levels of carbon dioxide (and possibly other forms of carbon emissions) in the atmosphere, it is more accurately categorized under air pollution rather than constituting a separate, recognized type of pollution on its own. This makes it stand out from the other options listed.