| Title | Problem/Solution | Issue Area |
Year |
|---|---|---|---|
| Stanford Geothermal Program | Technical Solutions | Energy | ---- |
| Internet Assigned Numbers Authority (IANA) | Technical Solutions, Social Solutions | Industry, Governance | ---- |
| Social aspects of sustainable development in Brazil | Activities, Technical Solutions, Social Solutions | Urbanization, Unmet Needs, Population | ---- |
| Commodities, wastes and organic material that can be converted into energy | Technical Solutions | Energy | ---- |