Urbanization (or urbanisation) ... Overgrowth of algal blooms causes a decrease in overall water quality and disrupts the natural balance of aquatic ecosystems. Causes of Urbanization - Positive And Negative Effects Water shortages will contribute to seriously affect food security and livelihoods of millions of people in the region, to compound existing security challenges and to exacerbate the causes of migration and displacement4. Urbanization Effects of Urban Development Patterns on Municipal Water Shortage It is estimated that about two-thirds of the world's population may suffer from fresh water shortage by 2025. c. Water scarcity is the result of many factors, like industrialisation , urbanisation. [7 marks] Curriculum Growing less water-intensive crops should also be explored. Overuse and wastage of water. Following are some of the major causes of water shortage: Climate change. urbanisation
