As you know I'm working mainly with assignments in the three sectors of water (cleaning, recycling, and reduction of use), green building and energy efficiency + renewable energy/wind power.
I'm really impressed of all the cool products there are developed to save, reuse and store energy even just in building materials. Textiles can cool a room down with only use of direct sunlight (imagine buildings with glass panoramas' having new curtains and saving the air-con bill), glass can clean it self which make it prettier by also incredible resource-saving in cleaning and maintenance and thin discrete solar cells can contribute to the power supply decreasing electricity bill and resources used for making conventional electricity.
The spare-heat from the busy air-cons (in e.g. server rooms) can be used to heat the water in the building. Wastewater can be rinsed and purified for use in toilets and washrooms. And all rooms could have sensors so the lights are only on when people are in the rooms.
The indoor air can be cleaned and reused, reducing large amounts of CO2 and making a more healthy indoor climate - which, who knows, may save some sick-leave days at work.
Its a big bill in the short run but in the long run much money will be saved on reuse and efficiency. Think long term, Malaysia (and all you other people!)
:)
Why aren't all new build houses installed with such things? And why aren't old, poorly isolated houses upgraded? It is very expensive here and now, but in the long run the consumer will save a lot of money on energy + they will have a much better indoor climate in the houses.
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