Water shortages are now a global concern

Long an issue in Australia, water shortages are now a global concern. “Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers. America’s generous subsidies for biofuel have increased the harvest of water-intensive crops that are now used for energy as well as food. And heavy subsidies for water in most parts of the world mean it is often grossly underpriced—and hence squandered.”