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ENV: Pollution

TermDefinition
Primary Pollutant A pollutant released directly into the air from a source
Greenhouse Gasses Gases that trap heat in Earth’s atmosphere
Secondary Pollutant A pollutant formed by chemical reactions in the atmosphere
Genetic Engineering Directly altering an organism’s DNA
Ozone Layer A layer that blocks harmful UV radiation from the sun
Montreal Protocol An international agreement that phases out chemicals that destroy the ozone layer
Kyoto Protocol An international agreement focused on reducing global greenhouse gas emissions
Temperature Inversion A condition where warm air traps cooler air near the ground
Heat Island A city area that is significantly warmer than nearby rural areas
Ozone Hole A seasonal thinning of ozone over Antarctica
Desertification The spread of deserts into previously fertile land
Biological Pest Control Using natural predators to control pest populations
Chlorofluorocarbons CFCs Chemicals that destroy ozone in the stratosphere
Erosion The breaking apart and movement of soil or rock
Point Source Pollution Pollution that comes from a single identifiable source
Watershed An area of land that drains water into a single body of water
Nonpoint Source Pollution Pollution that comes from many diffuse sources
Acid Precipitation Rain that contains unusually high concentrations of acid
Potable Water Water that is safe for drinking
Aquifer An underground layer of rock or sediment that holds water
Compost broken down organic material used to enrich soil
Salination the buildup of salt in soil that makes it less fertile
Aquaculture the raising of fish or other aquatic organisms for food or resources
 



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