Geography – Water resources and management | e-Consult
Water resources and management (1 questions)
Global water consumption has shown a clear upward trend between 1990 and 2020, with estimates indicating a significant increase of approximately 50%. This growth is driven by several key factors. Population growth is a primary driver, as more people require more water for domestic use, sanitation, and food production. Economic development, particularly in rapidly industrializing nations like China and India, has led to increased water demand from manufacturing and energy production. Changes in agricultural practices, including the expansion of irrigated agriculture and the use of water-intensive crops, have also contributed significantly.
Here's a summary of the trends and drivers:
| Year | Global Water Consumption (approximate) |
| 1990 | ~4,000 cubic kilometres per year |
| 2000 | ~4,500 cubic kilometres per year |
| 2010 | ~5,000 cubic kilometres per year |
| 2020 | ~5,500 cubic kilometres per year |
The consequences of this increasing consumption for future water security are profound. Increased water stress is already evident in many regions, leading to conflicts over water resources, agricultural limitations, and ecological damage. Water scarcity can also exacerbate social inequalities and contribute to political instability. Climate change is expected to further intensify these challenges, with changes in precipitation patterns and increased evaporation rates exacerbating water scarcity in many areas.
Addressing these challenges requires a multi-faceted approach, including improved water management practices, investment in water infrastructure, promotion of water conservation, and the development of more sustainable agricultural techniques. International cooperation is also crucial to ensure equitable access to water resources and mitigate the impacts of water scarcity.