| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | waste-to-energy | Northern European countries | Northern European countries commonly use waste-to-energy technology to generate electricity. | 1 |
| 2 | waste-to-energy | Southeast Asian countries | Waste-to-energy technology is less common in Southeast Asian countries, where waste management typically focuses on traditional landfill disposal. | 1 |