Pollution | Definition, History, Types, Facts | Britannica pollution, the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a rate faster than it can be dispersed, diluted, decomposed, recycled, or stored in some harmless form
Pollution - Wikipedia Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light) Pollutants, the components of pollution, can be either foreign substances energies or naturally occurring contaminants
Air Pollution and Your Health | National Institute of Environmental . . . Air pollution is a familiar environmental health hazard We know what we’re looking at when brown haze settles over a city, exhaust billows across a busy highway, or a plume rises from a smokestack Some air pollution is not seen, but its pungent smell alerts you
Air pollution - World Health Organization (WHO) Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution
What Is Pollution and What Are the Types of Pollution? Pollution is the introduction of harmful substances or contaminants into the environment, causing instability, disorder, harm, or discomfort to the ecosystem, i e , physical systems or living organisms
Pollution facts and types of pollution - Live Science Pollution is the process of making land, water, air or other parts of the environment dirty and not safe or suitable to use This can be done through the introduction of a contaminant into a