Environmental contaminants refer to hazardous substances that are present in the air, water, soil, or food supply and can have harmful effects on human health, wildlife, and ecosystems. These contaminants can come from various sources, including industrial activities, agriculture, transportation, and household products. Common examples of environmental contaminants include heavy metals, pesticides, plastics, and air pollutants such as particulate matter and volatile organic compounds. Research in the field of environmental contaminants aims to understand the sources, distribution, and impacts of these substances on the environment and human health. Scientists study how contaminants move through the environment, bioaccumulate in organisms, and interact with biological systems. This research also explores strategies for mitigating and reducing the levels of contaminants in the environment, such as pollution prevention, remediation technologies, and policy interventions. Overall, research on environmental contaminants plays a crucial role in informing regulatory decisions, safeguarding public health, and protecting the planet's ecosystems for future generations.