geography chapter 4

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natural environment

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23 Terms

1

natural environment

living and non-living things that occur naturally on the earth

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2

built environment

landscapes constructed by human beings

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3

environmental problem

negative effects of human activities on the environment

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4

environmental kuznets curve

model of the relationship between environmental problems and economic development

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5

sustainable development

a development that meets the needs of the present without compromising the ability of future generations to meet their needs

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6

degradation

decrease in size, quality and diversity of the natural landscape

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7

pollution

introducing harmful substances into the environment

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8

depletion

using natural resources more quickly than they are replenished

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9

fragmentation

a natural landscape which is split, for example through large-scale infrastructure projects

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10

wildlife crossings

a solution to fragmentation by connecting fragmented areas, e.g. by a bridge

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11

low emission zones

an area in cities where older, more polluting cars are not allowed

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12

overfishing

a form of depletion; more fish are caught than can be replenished

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13

quota

a limit on how many resources or products can be taken or produced

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14

reforestation

replanting trees

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15

afforestation

planting new trees

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16

insolation

incoming solar radiation – sunlight

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17

intergovernmental panel on climate change

the international organisation which investigates climate change

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18

greenhouse effect

the trapping of reflected insolation within the atmosphere due to the presence of greenhouse gases

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19

greenhouse gases

gases which are very good at trapping radiation: carbon dioxide, nitrous oxide, and methane

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20

fossil fuels

coal, oil, and gas

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21

enhanced greenhouse effect

an increase in the trapping capacity of the atmosphere, due to human activity

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22

carbon cycle

model of stores and transfers of carbon throughout the earth’s system

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23

thermal expansion

main contributor to sea level rise - the enlargement of (sea)water molecules as they get warmer

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