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  •  Environmental Studies Factsheet: 110. Electricity: Current and future sources

    Environmental Studies Factsheet: 110. Electricity: Current and future sources

      Future supplies of electricity Many scientists are worried that we are not doing enough now to make sure we have enough electricity over the next 50 years. By 2015 – not a long time i...

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  •  Environmental Studies Factsheet: 111. PCB

    Environmental Studies Factsheet: 111. PCB

      This Factsheet: • Describes the uses and properties of PCBs • Outlines why they are an environmental hazard • Illustrates common exam questions on this topic PCBs (polychlor...

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  •  Environmental Studies Factsheet: 112. Why biodiversity matters: pollination

    Environmental Studies Factsheet: 112. Why biodiversity matters: pollination

      Bees and other insects provide ecosystem services - benefits to humans as a result of their interaction with other organisms. One of the most important ecosystem service performed by wild a...

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  •  Environmental Studies Factsheet: 113. Geothermal energy update

    Environmental Studies Factsheet: 113. Geothermal energy update

      This Factsheet: • Describes the nature of geothermal energy • Provides three Case Studies, illustrating the varied uses of geothermal energy What is geothermal energy? The decay ...

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  •  Environmental Studies Factsheet: 114. Unsustainable water management: The Aral Sea

    Environmental Studies Factsheet: 114. Unsustainable water management: The Aral Sea

        The Aral Sea, located on the borders of Kazakhstan and Uzbekistan in Central Asia, is a completely enclosed sea (lake) which used to be supplied by just two big rivers - the Amu Dary...

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  •  Environmental Studies Factsheet: 115. Catalytic Converters

    Environmental Studies Factsheet: 115. Catalytic Converters

      This Factsheet summarises: • the environmental impact of the pollutants formed in internal combustion engines • how catalytic converters reduce the formation of pollutants in inter...

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  •  Environmental Studies Factsheet: 116. Controlling pollution: Tropospheric ozone

    Environmental Studies Factsheet: 116. Controlling pollution: Tropospheric ozone

      Ozone is a secondary pollutant Tropospheric ozone isn’t emitted directly by humans – it is a secondary pollutant i.e. it is formed when primary pollutants interact. These primar...

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  •  Environmental Studies Factsheet: 117. Mineral exploration techniques

    Environmental Studies Factsheet: 117. Mineral exploration techniques

      For the exam, the key point to understand is the difference between mineral resources and mineral reserves. Take copper as an example: Copper resource = all the copper, anywhere in the world...

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  •  Environmental Studies Factsheet: 118. Managing the Great Barrier Reef

    Environmental Studies Factsheet: 118. Managing the Great Barrier Reef

      Threats to the reef Coral reefs provide ecosystem services worth billions of dollars: • food (including fish) • coastal protection • recreation • tourism • ecosy...

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  •  Environmental Studies Factsheet: 119. Environmental Stewardship Scheme in action

    Environmental Studies Factsheet: 119. Environmental Stewardship Scheme in action

      This Factsheet: • Summarises the major aims and approaches of the ESS • Illustrates exam questions on this topic The ESS is replacing older agri-environment agreements such as Co...

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