Resources

7. A non-renewable resource mentioned as an example.
8. Resources which get renewed or replenished quickly.
11. A factor, along with technology, that can change substances into resources.
12. Carefully utilising resources for present needs while also caring for future generations (two words, but often treated as one concept in crosswords).
13. What makes an object or substance a resource.
14. Its use or utility gives it a value; means worth.
15. The amount of resources available for use.

1. Resources which have a limited stock and take thousands of years to be renewed.
2. A renewable resource that can become scarce with careless use.
3. Resources like buildings, bridges, and roads, created by people.
4. Anything that can be used to satisfy a need.
5. The application of latest knowledge and skill in doing or making things.
6. A resource used in houses, generated from water and coal.
9. People themselves, considered the most important resource.
10. The exclusive right over any idea or invention.