Environment

Environment

Issues related to the circumstances or condition of the earth's natural surroundings.

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inflow

Environment; Environment statistics

Entry of extraneous rainwater into a sewer system from sources other than infiltration, such as basement drains, manholes, storm drains and street washing.

soil sealing

Environment; Environment statistics

Isolation of the soil from the atmosphere, hydrosphere and biosphere by human impact, affecting local climates, soil functions, water balances and habitat.

designer bugs

Environment; Environment statistics

Popular term for microbes developed through biotechnology that can degrade specific toxic chemicals at their source in toxic waste dumps or in groundwater.

dilution ratio

Environment; Environment statistics

Ratio of the volume of water in a water body to the whole volume of incoming waste. This factor affects the waste assimilation capacity of the water body.

predation

Environment; Environment statistics

Relationship between two species of animals in which one (the predator) actively hunts and lives off the meat and other body parts of the other (the prey).

oxidation

Environment; Environment statistics

Use of oxygen to break down organic waste or chemicals, such as cyanides, phenols and organic sulphur compounds, in sewage by bacterial and chemical means.