Pollution

Definition

Pollution refers to the presence or introduction of harmful substances into the environment that can cause damage to living organisms or ecosystems. It can occur through various sources such as industrial activities, vehicle emissions, or improper waste disposal.

Related terms

Air Quality Index (AQI): The AQI is a measurement used to determine how polluted the air is based on levels of pollutants such as ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide.

Water Contamination: Water contamination refers to when water sources become polluted with harmful substances like chemicals or microorganisms that make it unsafe for consumption or use.

Environmental Protection Agency (EPA): The EPA is a government agency responsible for regulating and enforcing laws related to environmental protection in order to reduce pollution levels.