Socials 11M ch17 (2)

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Anonymous
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292846
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Socials 11M ch17 (2)
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2015-01-13 15:42:44
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socials 11 mini temp
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Socials 11M ch17
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  1. Biosphere
    the global sum of all ecosystems - can also be termed the zone of life on Earth
  2. Sustainable Development
    development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
  3. World Scientists Warning to Humanity
    Spearheaded by Henry W. Kendall, chair of the Union of Concerned Scientists (UCS) board of directors, the 1992 "World Scientists' Warning to Humanity" article begins: "Human beings and the natural world are on a collision course." A majority of the Nobel Prize laureates in the sciences signed the document; about 1,700 of the world's leading scientists appended their signature.
  4. Consumer Society
    a society in which the buying and selling of goods and services is the most important social and economic activity.
  5. UV/CFC
    When ultraviolet light waves (UV) strike CFC (chlorofluorocarbon) molecules in the upper atmosphere, a carbon-chlorine bond breaks, producing a chlorine (Cl) atom. The chlorine atom then reacts with an ozone (O3) molecule breaking it apart and so destroying the ozone.
  6. “Silent Spring”
    by Rachel Carson published this in 1962 discussions of the concept of sustainability have
  7. biosphere
    the global sum of all ecosystems - can also be termed the zone of life on Earth, a closed system (apart from solar and cosmic radiation...
  8. earth summit
    agenda 21 1992 un summit in Rio de Janeiro, Brazil
  9. fluorosis
    caused by overexposure to fluoride during first 8 years of life - cosmetic condition - affects the teeth and bones - from drinking water tapped too deep
  10. aquifers
    an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted using a water well.
  11. Ecotourism
    a form of tourism involving visiting fragile, pristine, and relatively undisturbed natural areas, intended as a low-impact and often small scale ...
  12. permafrost
    refers to a layer of soil or rock that is frozen all year round. Permafrost is found throughout much of Alaska, parts of Canada, and ...
  13. deforestation
    clear cutting/clear cut areas
  14. ozone layer
    an atmospheric layer at heights of about (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most solar ultraviolet radiation from entry into the lower atmosphere.
  15. acid rain
    rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitrogen oxides, which combine with atmospheric water to form acids.
  16. kyoto protocol
    an international agreement linked to the United Nations Framework Convention on Climate Change, which commits its Parties by setting internationally binding emission reduction targets

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