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4Rs of Environmental Protection
Low Carbon Living
Green Living
  - Eating Habits
  - Transportation
  - Energy
  - Water
  - Resources
Green Festival
 
   
Green Living - Water

Fresh water is a valuable resource as well as essential for human beings. Clean water can be easily accessed by turning on the tap, but behind the scenes, water supply and sewage disposal consume energy, which is mainly used for water treatment, pumping, etc. Moreover, large amounts of energy are needed for primary, secondary or chemical sewage treatment. Therefore, water saving is not only a water cherishing action, but also helps reduce energy consumption, at the same time alleviating global warming.

Green Rule
  • By taking a 5-minute shower instead of a bath, the water consumption can be cut by half.
  • Keep shower time within five minutes. Taking shower longer than 10 minutes consumes more water than having a bath.
  • Use low flow showers, which have applied for registration under the Water Efficiency Labelling Scheme. Water pressure of the low flow showers is similar to the traditional showers, but there is more water saving.
  • Do not keep the tap running non-stop when brushing teeth, washing hands or shaving.
  • Watch out for any dripping taps or pipes.
  • Change all-turn taps into new 1/4 turn taps, which helped to shorten the time as well as the flow of water usage.
  • Collect a load of clothes for washing together.
  • Choose water-saving toilets whenever possible. If a replacement is not possible at the moment, you may put a bottle filled with water or a few bricks in the water tank to save water.
  • Choose drought-resistant plants for home greenery. Used water for washing vegetables and rice, and water from fish tanks, contains nutrients, and so can be reused for irrigating plants, simultaneously saving water and acting as fertilizer.
  • Water your plants at dawn or at night, to prevent high evapo-transpiration loss under intense sunlight.
Know More
  • Every cubic metre of water consumption produces around 600 grammes of carbon dioxide.
  • Compared to showers rated to a water efficiency grade 3, the grade 1 showers can save up to 5 litres of water per minute.
  • A dripping tap wastes up to 7 litres of water per hour.
  • New-style toilets have dual-flush cistern capacities of 6 or 3 litres, while the traditional models have 14 litres. For a family with many members living together, differences in flushing water volumes between the two models can be over 100 litres per day.





Join the "5-minute Shower Challenge"
Carbon Reduction begins with Your Shower
Every member of the "5-minute Shower Challenge" can get a "5-minute sandglass" to time their shower time
Setting a personal annual goal of 11 kg carbon dioxide reduction, can contribute to an overall reduction of 78,000 tonnes for Hong Kong each year
 


 

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