Pollution

When a substance entering or being present in an environment has harmful or poisonous effects

The release of gases or particles into the atmosphere faster than the environment can naturally rid of them

Pollution that is caused by a substance that enters waterways at excessive levels.

Imbalance in naturals systems caused by humans

the presence of any unwanted, inappropriate, or excessive artificial lighting.

Continuous or recurrent noise that is annoying or physically harmful.

Heat from hot water that is discharged from an industrial plant into a water body that can be fatal to aquatic life

A metal with an atomic mass greater than that of calcium (mercury, lead, cadmium, arsenic)

A material or substance that is removed and deemed no longer useful after the completion of a process. Can become a pollutant if not treated properly (but may not)

A substance presence where is does not naturally occur

The substance that pollutes .

Contaminant that results in or can result in adverse biological effects to resident biota.

Pollutant that comes from a single discharge point, like a chimney.

something that Enters the environment across a broad area (like fertiliser run-off

process or place that removes a pollutants from the biogeochemical cycle by either storing it or changing the substance

When an organism takes in a substance faster than the body can remove it and the amount of it increases over time

The increasing concentration of a chemical in organisms as it goes up the food chain

A type of bioaccumulation where a chemical taken directly from the environment, but not through food.

Naturally occurring heavy metal found in three forms: organic, inorganic, and elemental (metallic)

A measure of how much of a pollutant a person is exposed to in a given time

The amount of a chemical absorbed per unit of body weight

A measure of the harm (through illness or death) that a substance can cause in organisms

A term to describe the dose of a substance that is sufficient to kill a percentage of an animal within a given time

Synthetic or naturally occurring chemicals that affect the hormonal systems in animals