Abstract
Construction industry is one of the key economic players in any region, where Construction and Demolition (C&D) waste generation occurs due to continuous construction and demolition activities. The C&D waste mainly comprises cement, timber, brick, concrete, aluminium, tile, steel, plastic, polythene, paper, and cardboard. Such wastes have led to several environmental, economic, and social issues over the past years. Therefore, C&D waste management is considered as a persuasive matter that needs to address, and hence, the “Zero Waste” concept has emerged as a solution to eliminate the C&D waste. Zero waste is the elimination of waste at the source and throughout the construction activity. Accordingly, implementation of the Zero waste concept in the construction industry helps to optimise the use of natural resources, reduce environmental issues and to promote sustainability. However, only limited studies are available on zero waste management in the construction industry, and hence the present study aims to investigate the adoption of zero waste concept to eliminate C&D waste in developing countries. The paper outcomes based on a comprehensive literature review and the significant findings of this research paper are the recognition of strategies, enablers, and barriers to adopting zero waste concept in the construction industry.
Highlights
Construction & Demolition (C&D) waste is one of the main contributors to the solid waste generation throughout the world [1]
Most developing countries of Asia practice open dumping and landfilling methods to dispose of waste while developed countries of Asia use the incineration method
Emission of hazardous substances through landfilling, incineration and open dumping induces the pollution of surface water, groundwater, and air pollution [5], and poor waste management leads to environmental issues and health problems [4]
Summary
Construction & Demolition (C&D) waste is one of the main contributors to the solid waste generation throughout the world [1]. Waste management is a challenging sector in almost every city and country, and attention has been paid to solve waste problems since the early nineteenth century [2]. According to [4], it is a challenging task to manage and handle the waste in an economical and environmentally-friendly manner due to the dynamic nature of waste composition and quantity. Most developing countries of Asia practice open dumping and landfilling methods to dispose of waste while developed countries of Asia use the incineration method. Emission of hazardous substances through landfilling, incineration and open dumping induces the pollution of surface water, groundwater, and air pollution [5], and poor waste management leads to environmental issues and health problems [4]
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