| BIOSPHERE | Life-supporting area of the Earth |
| LANDMASS | Non-ocean area of the Earth (8) |
| ARCTIC | Northernmost area of the Earth (6) |
| OXYGEN | What is the life-supporting component of the air? (6) |
| WATER | Covering 71 per cent of Earth's surface, life-supporting substance with the chemical formula H2O (5) |
| AMP | Indication of current politician supporting area (3) |
| ATMOSPHERE | Earth's gravity-bound life-supporting blanket of gases comprising nitrogen, oxygen, argon and carbon dioxide (10) |
| GROUNDS | Basis for supporting area around home (7) |
| FORA | Supporting area in public meetings (4) |
| AGEOLD | Ancient European invading or supporting area (3-3) |
| PROCREATE | Have children, supporting area in Greek island |
| PROTOZOA | Low life supporting short amphibian carrying little weight (8) |
| OXYGENATE | Supply with a life-supporting gas (9) |
| OXYGENE | Jean-Michel Jarre's life-supporting hit (8) |
| ECOSPHERE | Life-supporting region (9) |
| GONEFORABURTON | Good individual supporting area with actor Richard is missing (4,3,1,6) |
| LOUISIANA | The western part of this state on the Mississippi was acquired by the United States by the purchase in 1803 which included a huge area of the Midwest |
| DUSTBOWL | Area of the south central US that became denuded of topsoil by wind erosion during the droughts of the mid-1930s (4,4) |
| IRISHFREE | Name, from 1922-37, of the area of the British Isles now called the Republic of Ireland (5,4,5) |
| PYRAMID | One third the height times the area of the base gives the volume of a what? (7) |
