Topic
| Code | 20000436 |
|---|---|
| Name | renewable energy |
| Description | The environmental impact of renewable energy, including solar, wind, hydro, biomass and geothermal |
| Lft | 35 |
| Lvl | 2 |
| Rgt | 36 |
| Code | 20000436 |
|---|---|
| Name | renewable energy |
| Description | The environmental impact of renewable energy, including solar, wind, hydro, biomass and geothermal |
| Lft | 35 |
| Lvl | 2 |
| Rgt | 36 |