| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
0.8%
|
| -7 | None of the above (spontaneous) | 23 |
4.8%
|
| 1 | Heating and cooling improvements | 83 |
17.1%
|
| 2 | More climate-friendly energy generation on site | 9 |
1.9%
|
| 3 | Machinery and equipment upgrades | 79 |
16.3%
|
| 4 | Energy management | 65 |
13.4%
|
| 5 | Waste minimization, recycling and waste management | 120 |
24.8%
|
| 6 | Air pollution control measures | 2 |
0.4%
|
| 7 | Water management | 6 |
1.2%
|
| 8 | Upgrade of vehicles | 4 |
0.8%
|
| 9 | Improvements to lighting system | 87 |
18%
|
| 10 | Other pollution control measures | 2 |
0.4%
|
| Sysmiss | 716 |