| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
3.3%
|
| -7 | None of the above (spontaneous) | 14 |
5.8%
|
| 1 | Heating and cooling improvements | 57 |
23.8%
|
| 2 | More climate-friendly energy generation on site | 3 |
1.3%
|
| 3 | Machinery and equipment upgrades | 68 |
28.3%
|
| 4 | Energy management | 12 |
5%
|
| 5 | Waste minimization, recycling and waste management | 34 |
14.2%
|
| 6 | Air pollution control measures | 3 |
1.3%
|
| 7 | Water management | 0 |
0%
|
| 8 | Upgrade of vehicles | 31 |
12.9%
|
| 9 | Improvements to lighting system | 10 |
4.2%
|
| 10 | Other pollution control measures | 0 |
0%
|
| Sysmiss | 122 |