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Water footprint measures total water consumption for a product or person. It includes direct use, production, and processing water requirements.
Hướng dẫn từng bước
- 1Calculate blue water (surface/groundwater), green (rain), gray (contamination)
- 2Typical diet: 2000-5000 liters/day, beef heaviest (15,000 L per kg)
- 3Identify high-impact water use and reduction opportunities
Ví dụ có lời giải
đầu vào
Daily diet with beef, dairy, grains
Kết quả
Water footprint ~3500 L/day (~1.3 million L/year)
Mostly from animal agriculture
Lỗi thường gặp cần tránh
- ✕Ignoring production water beyond direct use
- ✕Treating all water equally (local scarcity matters)
Câu hỏi thường gặp
Why is beef water-intensive?
Cattle require years to mature, consuming vast water and feed. 1 kg beef ≈ 15,000 L water.
How can you reduce water footprint?
Eat less beef/meat, buy local (reduces processing), reduce food waste.
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