Definition of pollution

The contamination of air, water, or soil by substances that are harmful to living organisms. Light from cities and towns at night that interferes with astronomical observations is. How to use pollution in a sentence. The act or process of polluting or the state of being pollute especially the contamination of soil, water, or the atmosphere by the discharge of. English dictionary definition of pollution.

In many developing countries, pollution control regulations are formulated at the national level, but their enforcement is the responsibility of local environmental protection bureaus.

Recycling also helps control environmental pollution by reducing the need for waste dumps. What does pollution mean ? Oxford Dictionaries as The presence in or introduction into the environment of a substance which has harmful or poisonous effects. When you hear about pollution, you’re most likely hearing about chemical emissions into air or water that come from industrial processing.

Pollution is unwante harmful stuff contaminating an environment. Lan air, and water are all affected by pollution. Toxic waste dumped into the water is an example of pollution.

The level of pollution in the river was falling.

The addition of harmful chemicals to natural water. Sources of water pollution in the United States include industrial waste, run-off from fields treated with chemical fertilizers, and run-off from areas that have been mined. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories.

So, pollution is something that contaminates the environment. The condition in which air is contaminated by foreign substances, or the substances themselves. The term pollution refers primarily to the fouling of air, water, and land by wastes (see air pollutionair pollution , contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. Water pollution is the presence of harmful materials in water, such as sewage, dissolved poisons, waste from farms, factories and crude oil spilled from oil tankers.

The three main substances that pollute water are nitrates from fertilizers, sewage and detergents. Definition of pollution : Presence of matter (gas, liqui solid) or energy (heat, noise, radiation) whose nature, location, or quantity directly or indirectly alters characteristics or processes of any part of the. Plastic pollution definition : plastic pollution involves the accumulation of plastic products in the environment that adversely affects wildlife, habitat or humans.

Causes of plastic pollution 1 of plastic pollution is attributable to humans. Noise pollution , unwanted or excessive sound that can have deleterious effects on human health and environmental quality. Noise pollution is commonly generated inside many industrial facilities and some other workplaces, but it also comes from highway, railway, and airplane traffic and from outdoor construction activities.

Officially, air pollution can be defined as the presence of harmful substances in the air, either particulates or microscopic biologic molecules, that pose health hazards to living organisms, such as people, animals or plants. Air pollution comes in many forms and may include a number of different pollutants and toxins in various combinations.

Environmental pollution is the undesired spread of toxic chemicals into the aquatic and terrestrial habitats of the world. There are many different types of pollution , usually named for the location that has become polluted. Its untoward effects are detrimental for healthy survival and also the contamination in most cases is not completely reversible. P also known as source reduction, is the ounce- of -prevention approach to waste management.

Reducing the amount of pollution produced means less waste to control, treat, or dispose of. Therefore, air pollution means the undesirable presence of impurities or the abnormal rise in the proportion of some constituents of the atmosphere. Air pollution can be defined as an alteration of air quality that can be characterized by measurements of chemical, biological or physical pollutants in the air.

Some forms of pollution can be seen, some are invisible. Our Earth has an atmosphere that’s made up of different gases.