Environmental contaminants are harmful substances that pollute the air, water, and soil, posing risks to human health and ecosystems. These contaminants can originate from various sources, including industrial activities, agricultural practices, and waste disposal. Common examples include heavy metals, pesticides, and plastics, which can accumulate in the environment and disrupt natural processes. The presence of environmental contaminants can lead to serious consequences, such as the degradation of wildlife habitats and the contamination of drinking water supplies. Efforts to monitor and reduce these pollutants are essential for protecting both the environment and public health, ensuring a safer and cleaner future for all living organisms.