1. Nonpoint Source Point Source Sediments Natural Resource
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navigate station – pollution T E
Point Source
Sediments
start
Anything that occurs naturally in the environment and is used by people .
This pollution source is widely spread and cannot be tied to a specific origin.
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navigate station – pollution
navigate station – pollution
Natural Resource H
Nonpoint
Source Y
The contamination of Earth’s land, water, or air.
A specific pollution source can be identified
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2. Ecological Footprint Conservation Sustainable Use Pollution
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navigate station – pollution R
Ecological Footprint F
Pollution
Using resources in ways that maintain the resources for a certain period of time.
The practice of managing the use of resources wisely so that they last longer.
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navigate station – pollution E U
Sustainable Use
Conservation
The amount of land and water that individuals use to meet their resource needs.
The advance of desert-like conditions into areas that were once fertile.
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3. Ozone Emissions Land Reclamation Desertification
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navigate station – pollution L O
Desertification
Emissions
The process of restoring an area of land to a more productive state.
When gases react in the sunlight and produce a layer of oxygen in the air.
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navigate station – pollution
navigate station – pollution L F
Land Reclamation
Ozone
Pollutants released into the air.
Precipitation that is more acidic than normal because of air pollution.
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4. Pesticides Sewage Acid Rain Groundwater
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navigate station – pollution C N
Acid Rain
Pesticides
Water stored in soil and rocks beneath the Earth.
The water and human wastes that are washed down sinks, showers, and toilets.
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navigate station – pollution A S
Sewage
Groundwater
Particles of rock and sand that settle in our water.
Chemicals that kill crop-destroying organisms.
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© the science duo