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greenhouse effect
certain gases in the atmosphere keep heat near Earth & prevent it from radiating into space
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greenhouse gas
gases involved in keeping heat near Earth
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thermohaline circulation
a water movement pattern in which warmer, less salty water moves along the surface of the ocean, and colder, saltier water moves deep beneath the ocean's surface
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El Nino
change in air pressure, wind patterns, ocean temperature, and ocean circulation in the Pacific
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topography
describes the surface characteristics of an area; elevation, mountains, rivers, and lakes
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latitude
measurement of a place's distance from the equator
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windward
the side of a mountain that wind passes over
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leeward
the downwind side of a mountain
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global climate change
change in many climate characteristics; temperature, rainfall, wind patterns, & storm frequency
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global warming
increase in Earth's average surface temperatures
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proxy indicator
types of indirect evidence that serve as substitutes for direct measurement
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climate model
programs that combine what we know about the atmosphere and oceans to simulate climate processes
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fossil fuel
a fuel that formed a long ago from the remains of living things
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coral bleaching
algae living within coral dies
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carbon footprint
amount of carbon dioxide emissions for which an individual or group is responsible
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carbon tax
fee that a gov't charges polluters for each unit of greenhouse gases they emit
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carbon offset
a voluntary payment made when one industry or person, instead of reducing its own greenhouse gas emissions, pays another group or person to do so
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carbon sequestration
storage; ways to store carbon underground
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Kyoto Protocol
international agreement that seeks to limit greenhouse gas emissions; binding
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cap-and-trade
gov't puts a limit (cap) on amount of greenhouse gases that can be released by specific industries & power plants
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