Across
- 2. the quantity of water that can be used for human purposes without significant harm to ecosystems or other users.
- 5. the measure of the total amount of water used by the customers within the water system.
- 6. Issues related to agriculture, industry (including energy production), oil, fecal matter, and litter, may all contribute to this problem.
- 10. the most common method used to desalinate water
- 11. the collection of precipitation which falls on the roof of buildings.
- 12. used to increase the amount of water stored in aquifers. It is widely used in some countries to enhance water supplies, such as in the Netherlands, Germany, and the USA.
- 13. the removal of salt from seawater to make it suitable for drinking. It is an energy-intensive process and therefore usually expensive.
Down
- 1. This is what is causing a shift in water availability and why some areas that previously had sufficient water now face droughts. These droughts are becoming more frequent and prolonged, causing water insecurity.
- 3. used water that is not clean enough to be used again. This water usually originates from toilets.
- 4. A ratio that rates countries from 0 to 5: the higher the number, the higher the water stress. The ratio compares total withdrawals to total available renewable supply on an annual basis (demand/supply).
- 7. natural or artificially created lakes, used to collect and store water.
- 8. used water that is clean enough to be used again. This water originates from baths, showers, washbasins, and washing machines
- 9. access to sufficient, sustainable quantities of clean water and sanitation.