An environmental pollutant is any substance or material that harms the natural environment and poses a risk to human health. There are many synonyms for this term, including environmental contaminant, toxic substance, environmental hazard, and environmental toxin. Other commonly used phrases to describe environmental pollutants include hazardous waste, air pollutant, water pollutant, soil contaminant, and chemical pollutant. These pollutants can cause a range of adverse effects on the environment and human health, such as cancer, respiratory problems, and birth defects. It is crucial to identify and properly dispose of these pollutants to protect both the environment and human health.