Across
- 4. Prolonged period of low rainfall causing water shortage.
- 5. Overflow of water onto dry land.
- 6. Increasing proportion of a population in urban areas.
- 8. Establishing a forest in an area without one.
- 9. Basic structures needed for society, such as water systems.
- 11. Unjust disparities in resources or opportunities.
- 12. Removing salt from seawater for consumption.
- 13. Mutual reliance and connection of different elements.
- 14. Public health conditions, including clean water and sewage disposal.
- 15. Removing impurities, often in water treatment.
Down
- 1. Artificial application of water to assist crop growth.
- 2. Used water no longer suitable for its purpose.
- 3. Introduction of harmful substances into the environment.
- 7. Total number of people in a specific area.
- 10. Meeting present needs without harming future generations.