The following questions from schools are answered by a water expert:

1. What does water have to do with our Turangawaewae?

2. How is water made?

3. Why do some countries have more water than others?

4. Why do we depend on water? Why do we need it?

5. How does water become salty?

6. How long can we live without water?

7. How much water do farmers need to use?

8. How can we locate groundwater?

9. Can fossil water evaporate?

10. How much of a problem is glyphosate in run-off water?