greenhouse gas: any of various gaseous compounds (such as carbon dioxide or methane) that absorb infrared radiation, trap heat in the atmosphere, and contribute to the greenhouse effect
noun. It is the third most important greenhouse gas.
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endangered species: a species threatened with extinction
noun. The Hawaiian petrel is an endangered species.
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untreated sewage: means sewage that has not been treatedby a type approvedsewage treatment plant, or that has not been comminutedand disinfected.
noun. That was untreated sewage flowing close by on its way to the sea.
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coastal flooding: Flooding that occurs from storms where water is driven onto land from an adjacent body of water
noun. Note that no one disaster will cause all the coastal flooding shown on this map.
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fossil fuel:a fuel (such as coal, oil, or natural gas) formed in the earth from plant or animal remains
noun. The exploitation of this non-conventional fossil fuel is costly.
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solid waste: A collective term for garbage, refuse, rubbish, and trash, each term representing a definite category of solid-waste materials
noun. Large-capacity storage unit for recycling solid waste.
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deforestation: the action or process of clearing of forests
noun. Overall rates of deforestation are declining.
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global warming: an increase in the earth's atmospheric and oceanic temperatures widely predicted to occur due to an increase in the greenhouse effect resulting especially from pollution
noun. Due to global warming, penguins are endangered.
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desertification: the process of becoming desert (as from land mismanagement or climate change)
noun. Intensive agriculture and wastage of water intensifies desertification.
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overfishing: to fish to the detriment of (a fishing ground) or to the depletion of (a kind of organism)
verb. Mediterranean swordfish are heavily depleted after many years of overfishing.
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acid rain: rain that has increased acidity caused by environmental factors (such as atmospheric pollutants)