| In fact, there are real questions about the viability and sustainability of this project. |
| It's operated on the belief that the white hats can be spotted by their exemplary policies and programs and sustainability reports. |
| I'm happy to accept this wager as a measure of the quality of my predictions about the long term sustainability of commons-based peer production. |
| Human harvesting of shellfish has raised concerns over ecosystem sustainability. |
| Its aim was to help such countries to acquire technology and sustainability by reforming their institutions and improving their competitiveness. |
| Seven focus on pollution and prevention issues and three on wider concerns relative to corporate sustainability. |
