| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
2.2%
|
| -7 | None of the above (spontaneous) | 28 |
4.1%
|
| 1 | Heating and cooling improvements | 85 |
12.3%
|
| 2 | More climate-friendly energy generation on site | 10 |
1.5%
|
| 3 | Machinery and equipment upgrades | 187 |
27.1%
|
| 4 | Energy management | 80 |
11.6%
|
| 5 | Waste minimization, recycling and waste management | 158 |
22.9%
|
| 6 | Air pollution control measures | 12 |
1.7%
|
| 7 | Water management | 4 |
0.6%
|
| 8 | Upgrade of vehicles | 46 |
6.7%
|
| 9 | Improvements to lighting system | 63 |
9.1%
|
| 10 | Other pollution control measures | 1 |
0.1%
|
| Sysmiss | 680 |