Sustainability

2. the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
4. the weather conditions prevailing in an area in general or over a long period.
8. the ability to be maintained at a certain rate or level.
10. the natural home or environment of an animal, plant, or other organism.
12. the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc.
13. give a spoken or written account of something that one has observed, heard, done, or investigated.
14. a place where an industrial or manufacturing process takes plant.

1. relating to or characteristic of humankind.
2. a person who is studying or has expert knowledge of one or more of the natural or physical sciences.
3. the condition of being protected from or unlikely to cause danger, risk, or injury
5. (of a species) seriously at risk of extinction.
6. the necessary items for a particular purpose.
7. the surroundings or conditions in which a person, animal, or plant lives or operates.
9. the basic or inherent features, character, or qualities of something
11. any such living organism other than a human being