The water footprint: how to safeguard the most precious resource
| Type of food | Water footprint (liters per kg) | Green (%) | Blue (%) | Gray (%) |
|---|---|---|---|---|
| Bread | 1,608 | 70 | 19 | 11 |
| Butter | 5,553 | 85 | 8 | 7 |
| Cheese | 3,178 | 85 | 8 | 7 |
| Chicken | 4,325 | 82 | 7 | 11 |
| Chocolate | 17,196 | 98 | 1 | 1 |
| Eggs | 196 (for one 60 gram egg) | 79 | 7 | 13 |
| Salad | 237 | 56 | 12 | 32 |
| Olives | 3,015 | 82 | 17 | 2 |
| Oranges | 560 | 72 | 20 | 9 |
| Pasta | 1,849 | 70 | 19 | 11 |
| Pizza (margherita) | 1,259 (for one pizza) | 76 | 14 | 10 |
| Pork | 5,988 | 82 | 8 | 10 |
| Potatoes | 287 | 66 | 11 | 22 |
| Rice | 2,497 | 68 | 20 | 11 |
| Sugar | 920 | 62 | 19 | 19 |
| Tomatoes | 214 | 50 | 30 | 20 |
| Wine | 109 (for a 125 ml glass) | 70 | 16 | 14 |
| Apples | 822 | 68 | 16 | 15 |
| Bananas | 790 | 84 | 12 | 4 |
| Beef | 15,415 | 94 | 4 | 3 |
| Beer | 74 (for a 250 ml glass) | 85 | 6 | 9 |
| Milk | 255 (for a 250 ml glass) | 85 | 8 | 7 |
| Coffee | 132 (for a 125 ml glass) | 96 | 1 | 3 |