WATER SCARCITY: MANAGING A LIMITED RESOURCE
Freshwater is essential for drinking, agriculture, industry and the functioning of natural ecosystems. Although water covers most of the Earth's surface, only a small proportion is available as accessible freshwater. Furthermore, the distribution of freshwater resources varies considerably between regions, meaning that some areas experience abundant supplies while others regularly face shortages.
Water scarcity may result from a combination of natural and human factors. In some regions, low rainfall and prolonged drought reduce water availability. Elsewhere, population growth, expanding agriculture, industrial development and inefficient water management increase demand beyond available supplies. Scientists emphasise that water scarcity cannot always be explained by climate alone, as social, economic and political factors also influence access to freshwater.
Agriculture accounts for a substantial share of global freshwater use. Irrigation has enabled food production to expand in many dry regions, but excessive extraction of groundwater may reduce water tables and affect rivers, lakes and wetlands connected to underground water systems. Researchers continue to investigate how different farming practices influence long-term water security under changing climatic conditions.
Technological developments have provided additional methods of increasing water supplies. Desalination plants convert seawater into freshwater and are used extensively in some coastal regions. However, these facilities require considerable amounts of energy, and scientists continue to study ways of reducing their environmental and economic costs. Other approaches include improving irrigation efficiency, recycling wastewater and repairing leaking water infrastructure.
Governments and international organisations have introduced a range of policies to encourage sustainable water management. Scientists generally agree that no single solution can eliminate water scarcity everywhere because environmental conditions, economic resources and population needs differ widely among regions. Instead, successful management is likely to require a combination of technological innovation, conservation measures and effective governance.
Despite significant advances in water research, many uncertainties remain. Researchers continue to examine groundwater systems, climate variability and future patterns of water demand in order to improve long-term planning.
Questions 1–12 Do the following statements agree with the information given in the passage?
Write: TRUE FALSE NOT GIVEN
1. More than half of the Earth's freshwater is available for human use.
2. Freshwater resources are distributed unevenly across different regions.
3. Scientists believe climate is the only cause of water scarcity.
4. Desalination plants are used in certain coastal areas.
5. Australia has more desalination plants than any other country.
6. Agriculture uses a significant proportion of the world's freshwater.
7. Scientists have discovered a way to eliminate the high energy requirements of desalination.
8. Researchers are still studying the long-term effects of different farming practices on water security.
9. Recycling wastewater is described as one possible way to improve water supplies.
10. Leaking water pipes waste more water than agricultural irrigation.
11. A combination of different strategies will probably be needed to address water scarcity.
12. The first international agreement on water conservation was signed in the 1970s.
Summary
This IELTS reading passage explores the growing challenge of water scarcity and the importance of managing freshwater resources sustainably. It explains the uneven distribution of freshwater across the world, the natural and human causes of water shortages, and the significant role of agriculture in global water use. The passage also discusses technological solutions such as desalination, wastewater recycling, and efficient irrigation, while highlighting the need for sustainable water management, effective governance, and ongoing scientific research. Twelve True, False, and Not Given questions are included to help learners improve their IELTS reading comprehension, vocabulary, and critical thinking skills.