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17 Cards in this Set
- Front
- Back
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Acid rain |
Rain containing acids that form in the atmosphere |
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Anthropocene |
Geological epoch defined by atmospheric chemist Paul crutzen |
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Aquifers |
Underground rock layers that store large amounts of water |
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Atmosphere |
A mixture of gases that surrounds a planet or moon |
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Biodiversity |
The diversity of a plant and animal life in a particular habitat |
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Chlorofluorocarbons |
Synthetic organic compounds first created in the 1950s |
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Deforestation |
The removal of trees faster than forest can replace themselves |
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Environmental stress |
The threat to environmental security by human activity |
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Glaciation |
A period of global cooling during which continental ice sheets and mountain glaciers expand |
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Greenhouse effect |
Warming that results when solar radiation is trapped by the atmosphere |
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Holocene |
The current intergalactic period extending from 10000 years ago to the present on the geological time scale |
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Hydrological cycle |
The natural process by which water is purified |
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Interglacials |
Warm period during an ice age |
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Little ice age |
Temporary but significant cooling period between the fourteen and nineteenth centuries |
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Mass depletion |
Loss of diversity through a failure to produce new species |
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Mass extinction |
Mass destruction of most species |
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Montreal protocol |
An international agreement signed in 1987 by 105 states |
