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  • Environmental Studies Factsheet: 74. Recording Plant Species

    Environmental Studies Factsheet: 74. Recording Plant Species

    Here is an extract from a recent Chief Examiner’s report on candidate’s efforts on an ecology sampling question: “Candidates showed little evidence of having actually carried ou...

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  • Environmental Studies Factsheet: 75. Is Hydroelectricity a Good Idea?

    Environmental Studies Factsheet: 75. Is Hydroelectricity a Good Idea?

      Hydro-electric power is our largest source of renewable energy and supplies about 20% of the world’s electricity. Most hydro-electricity is generated by constructing a dam. Most big r...

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  • Environmental Studies Factsheet: 76. Practicalities Of Domestic Wind Energy Generation

    Environmental Studies Factsheet: 76. Practicalities Of Domestic Wind Energy Generation

      Urban energy generation such as that produced by small scale wind turbines installed on or around buildings is an example of microgeneration. The UK Government has set targets of reducing t...

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  • Environmental Studies Factsheet: 77. Are Biofuels More Harmful Than Petroleum?

    Environmental Studies Factsheet: 77. Are Biofuels More Harmful Than Petroleum?

      What are biofuels? Biomass materials such as sugar cane, rapeseed, corn, straw, wood and animal waste can be transformed into biofuels for transport. Biodiesel and bioethanol are the most co...

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  • Enviro Studies Factsheet: 78. Habitat Protection and Management Conservation of Lowland Heaths

    Enviro Studies Factsheet: 78. Habitat Protection and Management Conservation of Lowland Heaths

      What is heathland? Heaths are open landscapes characterised by the presence of dwarf shrubs such as heather or ling at a cover of at least 25%. They are associated with sandy (therefore fre...

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  • Environmental Studies Factsheet: 79. Ocean Productivity

    Environmental Studies Factsheet: 79. Ocean Productivity

      This Factsheet examines the factors affecting ocean productivity and the future of global fish stocks. The oceans are far less productive than land areas. They provide 34% of the world&rsqu...

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  • Environmental Studies Factsheet: 80. Plastic Recycling

    Environmental Studies Factsheet: 80. Plastic Recycling

      This Factsheet: • summarises the key points that you need to know about plastic recycling • gives examples of the kind of exam questions you might face on this topic   In 19...

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  • Environmental Studies Factsheet: 81. Offsetting Your Carbon Footprint

    Environmental Studies Factsheet: 81. Offsetting Your Carbon Footprint

      This Factsheet focuses on carbon offsetting schemes which aim to reduce the effects of increasing CO2 emissions. According to the World Bank approximately £1.5 billion of offsets were ...

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  • Environmental Studies Factsheet: 82. Investigating weeds and crop yield

    Environmental Studies Factsheet: 82. Investigating weeds and crop yield

      This Factsheet reviews recent investigations into the effect of weeds and weed control measures and describes the types of exam questions that have appeared recently. Weeds and crops both n...

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  • Environmental Studies Factsheet: 83. Does Conservation have to mean Preservation?

    Environmental Studies Factsheet: 83. Does Conservation have to mean Preservation?

      Around the World, conservation is the buzzword. We are conserving species, landscapes, heritage sites and resources. This Factsheet considers what we mean by conservation and how it differs ...

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