| Term | Definition |
| Sustainable timber | Plantation or forest is one that has been planted by people, and once harvested will be replaced. |
| Unsustainable timber | Natural forest that is harvested faster than it can grow and is not regenerated or replanted |
| Douglas Fir | Sustainable |
| Macrocarpa | Sustainable |
| Redwood | Sustainable |
| Lawson Cypress | Sustainable |
| Radiata Pine | Sustainable |
| Red Cedar | Unsustainable |
| Teak | Unsustainable |
| Rosewood | Unsustainable |
| Tasmanian Oak | Unsustainable |
| Ironbark | Unsustainable |
| Jarrah | Unsustainable |
| Renewable timber | We can plant more trees than we cut down.However it does not mean that people cutting down trees actually replant. |
| Sustainably managed timber | So called "sustainably managed"timber resources may not really be sustainable |