Outrigger canoe
A small ship used in the lagoons of islands where pacific islanders settled.
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A small ship used in the lagoons of islands where pacific islanders settled.
Overfarming: exhausting the soil by growing too many crops.
Overgrazing: exhausting the land by not moving animals around to graze in different places.
Overpopulation: When population growth exceeds economic growth and results in food shortages and lack of housing.
A chemical created when burning fossil fuels react with sunlight – a form of oxygen.
Areas of depletion of ozone in Earth’s stratosphere, caused by chlorofluorocarbons.