Addition of a substance/agent to an environment by human activity, at a rate greater than that at which it can be rendered harmless by the environment, and which has an appreciable effect on the organisms in the environment.
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Pollutants
Released by human activities and may be matter (organic, inorganic), energy, living organisms.
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Primary pollutants
Active on emission. E.g. carbon monoxide from fossil fuels.
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Secondary pollutants
Formed by primary pollutants undergoing physical or chemical changes.
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Point source pollutants
Released from a single source. Easier to manage as source can be found more easily.
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Non-point source pollutants (NPS)
Released from diffuse, numerous sources. Can be impossible to detect and manage.
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Persistent organic pollutants (POPs)
Resistant to breaking down. Remain active in the environment for a long time. Bioaccumulate in animal/human tissues. Biomagnify in food chains. Can cause significant harm.
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Acute pollution
Large amounts of pollutants are released, causing a lot of harm.
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Chronic pollution
Long-term release of pollutants but in small amounts. Serious because it often goes undetected for a long time. Usually more difficult to clean up. Often spreads widely.
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Pollution management strategy
.
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Pollution management strategy - Altering human activity
Changing the human activity which produces it (E.g. promoting alternative technologies, lifestyles and values).
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Pollution management strategy - Controlling release of pollutant
Regulating or preventing the release of the pollutant (E.g. legislating and regulating standards of emission, developing/applying technologies for extracting pollutants from emissions.
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Pollution management strategy - Cleanup and restoration of damaged systems
Working to clean up or restore damaged ecosystems (E.g. extracting/removing pollutants from ecosystem, replanting/restocking lost or depleted populations and communities).
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Other cards in this set
Card 2
Front
Released by human activities and may be matter (organic, inorganic), energy, living organisms.
Back
Pollutants
Card 3
Front
Active on emission. E.g. carbon monoxide from fossil fuels.
Back
Card 4
Front
Formed by primary pollutants undergoing physical or chemical changes.
Back
Card 5
Front
Released from a single source. Easier to manage as source can be found more easily.
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