| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | air pollution regulation | Nigeria | Limited regulations and enforcement, resulting in widespread air pollution especially in densely populated urban areas | 1 |
| 2 | industrial emissions | Nigeria | Impact on local communities and health due to lax emissions control measures | 1 |
| 3 | vehicular emissions | Nigeria | Issues of vehicular emissions are overshadowed by other pressing environmental and societal concerns. | 1 |