Skills for Study Level 2 Teacher's Book - Cambridge University Press

2e Group discussion2fSuggested answers2.5IssueThe potential shortageof water available in theworldThe reasons why theworld’s supply of freshwater is put underpressureLecture 2Main ideas / evidenceClaims that there is plenty of fresh wateravailable for our needs.36 million km 3 fresh water in world, thoughapproximately 80% is stored in ice caps andglaciers which could be accessed.Most water for human use comes from threesources – lakes, rivers and groundwater, and ofthe total supply in the world we use only half.Water supplies are under pressure, not from anyinherent lack of water, but because:1 Water supplies are unevenly distributed aroundthe world, so many high-population areas arealso those which have relatively little water.2 Our methods of using water are wasteful / wedon’t use existing supplies efficiently, e.g. 70% ofall human water use goes to agriculture, whichoften uses highly inefficient irrigation methods.2gSuggested answers1 Both agree about the volume of fresh water and the amount which is stored inice caps / glaciers, etc.2 Both agree that there is pressure on water supplies, and that many peoplesuffer from a lack of it.2hAnswersSpeaker 1 – Interpretation a.Speaker 2 – Interpretation b.2i Students decide whether they agree / disagree or have alternative interpretations oftheir own.2j Student discussionUnit Task: Water research projectNotes and answers for the activities in Unit Task Part A are given separately below.Unit 2 Part A ∙ Understanding spoken information 41