| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
100%
|
| -7 | None of the above (spontaneous) | 0 | |
| 1 | Heating and cooling improvements | 0 | |
| 2 | More climate-friendly energy generation on site | 0 | |
| 3 | Machinery and equipment upgrades | 0 | |
| 4 | Energy management | 0 | |
| 5 | Waste minimization, recycling and waste management | 0 | |
| 6 | Air pollution control measures | 0 | |
| 7 | Water management | 0 | |
| 8 | Upgrade of vehicles | 0 | |
| 9 | Improvements to lighting system | 0 | |
| 10 | Other pollution control measures | 0 |