| The competition aims to achieve a sustainable and affordable mix of houses and flats for sale and rent. |
| Although it introduces a host of mind-bending economic theories, the movement for sustainable economies includes more than a little whimsy. |
| In addition to containing environmentally friendly raw materials, sustainable products typically wear well. |
| Substituting adobe clay for cement is one option for a more sustainable approach. |
| These services in the presence of growth will then be justifiable and sustainable. |
| Environmentalists want Lula to push for jobs in areas like sustainable forestry and tourism rather than cattle ranching and soy farming. |
