means the surroundings within which humans exist and that are made up of—
| (i) | the land, water and atmosphere of the earth; |
| (ii) | micro-organisms, plant and animal life; |
| (iii) | any part or combination of (i) and (ii) and the interrelationships among and between them; and |
| (iv) | the physical, chemical, aesthetic and cultural properties and conditions of the foregoing that influence human health and well-being; |