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Basic Concept of green building and smart cities
A green building is an environmentally sustainable building, designed, constructed and operated to minimize the total environmental
impacts.
OBJECTIVES OF GREEN BUILDING
• to minimize the use of energy
• to reduce waste, pollution and environmental degradation
•To provide mechanical ventilation system to increase air flow.
•To select proper building material that has low toxicity
•To enhance interior lighting to reduce energy demand and to increase visual comfort.
Concept Of 4 R’s
•Reduce
•Reuse
•Recycle
•Recover
REDUCE is to limit the amount of waste you create in the first place. This includes buying products with less packaging. REUSE means to use something again that you would normally throw away (eg. Glass jar for food or plastic bags for bin liners.) RECYCLE means the product goes through a mechanical process to change its form. This is only recommended when reducing and reusing are not possible. RECOVER is to convert waste into resources (such as electricity, heat, compost and fuel) through thermal and biological means. Resource Recovery occurs after reduce, reuse and recycle have been attempted.
Treatment of different type of waste using concept 4 R’s