What is water your water footprint
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1) The document discusses the concept of water footprint, which refers to the volume of water used to produce various products and services. 2) It notes that calculating water footprints can provide important information for businesses, governments, and consumers to understand water usage and risks. 3) The document provides examples of large water footprints for various food and consumer products, noting for example that it takes over 24,000 liters of water to produce 1 kg of chocolate.
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What is water your water footprint
- 1. What Is Your Water Footprint? Dr Archina Buthiyappan Department of Chemical engineering Universiti Malaya archina@um.edu.my
- 2. How water distributed on the earth?
- 7. Daily direct water use
- 8. What is Water footprint? Everything we use, wear, buy, sell and eat takes water to make.
- 9. Water Footprint Created in 2002 by Arjen Hoekstra Water Footprint refers to the volume of water used to produce various products and services. Water footprints can be applied to a product, a service, an individual, a country or even the world
- 10. Why Water Foot Print is important? BUSINESS GOVERMENT CONSUMER To understand their water-related business risk To understand the role of water in their economy and water dependency To know how much water is hidden in the products they use.
- 11. How water footprint are measured ? Water consumed Evaporated Polluted
- 12. 3water footprint
- 13. Water Footprint • Malaysian national average water footprint as 2103 m³/yr per capita compared to the global average of 1385 m³/yr per capita. • 32.3% of the footprint is acquainted to operations outside Malaysia (import dependency)
- 15. Highest water footprint per capita United States 2483 m3 per year Greece 2389 m3 per year 19 % import dependency 51 % import dependency Italy 2322 m3 per year 35 % imp ort dependency Thailand 2223 m3 per year 8 % import dependency
- 16. Facts Global average water footprint is around 1,240 m3 year per person 2.8 billions people in 48 countries will face water stress/scarcity conditions by 2025 Middle of century it will reach 7 billion
- 19. What is your water footprint? Your tap water use and the virtual water used to produce your food, electricity , gas and home goods
- 20. Virtual water ● Indirect or “virtual” water use, also called “embedded water,” is the water “hidden” in the products, services and processes you buy and use every day, like crop irrigation, power production and consumer goods manufacturing.
- 21. Food and water are connected. Have you ever looked at a plate of food and wondered, “How much water it takes to make a burger?”
- 22. HOW MUCH WATER IS NEEDED? 135 litres 1 egg 1 cup of coffee 140 litres 1 cup of tea 35 litres 1 apple 70 litres 1 orange 50 litres 1 glass of orange juice 170 litres 1 slice bread +cheese 90 litres
- 23. HOW MUCH virtual WATER IS NEEDED? 24,000 litres 1 kg Chocolate 1 kg Beef 15,500 litres 1500 litres 1 kg sugar
- 25. How thirsty is your food? 1 gallons = 3.785
- 26. Water footprint of a product 10 litres 1 sheet of paper 91 litres 1/2 kg plastic 10, 855 litres 1 pair of jeans
- 27. Your Water Footprint Household Shower Bathhub Bathroom sink Toilet Kitchen sink Dishes Laundry INDOOR H2O Driving Electricity Shopping habits Paper Plastic Bottles & Can Fabrics Diet Pet food VIRTUAL H2O Garden Rain barrel Swimming pool Carwashing OUTDOOR H2O
- 28. Sample of your WATER FOOTPRINT Activity Detail Liter/Day Household 2 members 283 Shower Over 15 min with conventional showerheads 132 Bathroom sink 5-10 min with conventional faucets 151 Toilet Conventional toilets 95 Kitchen sink 21-45 min with conventional faucets 625 Dishes With own hand, 4 loads/day 204 Laundry Old school washing machine 155
- 29. Sample of your WATER FOOTPRINT Activity Detail Liter/Day Garden 0 0 Rain barrel 0 0 Swimming pool 0 0 Carwashing 1time/month 3.8
- 30. Sample of your WATER FOOTPRINT Activity Detail Liter/Day Driving 64 km per week 0 Electricity 100 utility power 93 Shopping habits Like to shop 583 Paper Some paper recycled -2 Plastic Some plastic recycled -8 Bottles & cans Some bottles & cans recycled -15 Fabrics Some recycle fabrics -3 Diet 1 vegetarian, 1 meat eater, every meal 923 Pet food RM 20/ month 17
- 31. Lest calculate your water footprint https://www.watercalculator.org/wfc2/q/household/
- 32. Can I do something to reduce my own water footprint and help us manage water for both people and nature?
- 33. How your diet affects your water footprint? Food & Water ● Eat less meat ● Eat better meat – choose pasture-raised if possible vs conventional meat ● Eat more unprocessed foods ● Waste less food ● Choose organic ● Eat local
- 34. Install a low flow showerhead - Conventional (19L/min) - Low flow showerheads < 9.5 L/min) SHOWER & BATH 10 minutes shower with low-flow showerhead only used 95 l compared to average bath uses of 190 l of water Turn off the water Spend less time in the shower - Bring radio to bathroom & time yourself by how many songs plays while you’re there If shave or brush your teeth in the shower
- 35. LAUNDRY Save energy save water because power plants use a lot of water to produce electricity Dry your clothes on a drying rack Despite being red, Mars is a cold place Choose an energy star water and energy efficient model When its full Use your washing machine It will wear them out more quickly Wash your jeans less
- 36. GARDENS WATER WHEN ITS COOLER To reduce water loss from evaporation Don’t let the hose run Use pistol grip It will be lost to evaporation DON’T WATER ON WINDY DAYS
- 38. How can you contribute?
- 39. Your water footprint is much larger than you think, so please beware of your water footprint! Thank you & Stay Safe