Water and Food - Action Numeracy Author:Liz Flaherty Water is one of our most precious resources. We use it for drinking, for producing food, for cleaning and in industry. Today we are more conscious of water usage than ever before. Water and Food looks at the role of water resources and aquatic ecosystems in food production in Australia and examines how we can best manage and sustain this vital r... more »esource. It covers topics such as desalination, evaporation, irrigation, global thirst and the Murray-Darling Basin in a mathematical context. This is a great contemporary book for upper primary school students.« less