Approaching a zero-waste strategy by reuse in New York City: Challenges and potential

In New York City (NYC), the aspiring target of zero waste to landfills is robustly engaging the often poorly understood solid waste management technique of reuse.

by Michael Lugo, Snehesh Shivananda Ail, Marco J Castaldi

The reuse activities occurring in NYC are reported, accounting for the quantities of reuse of various products, such as furniture, appliances and automobile accessories, amongst others. The quantities of products are translated to reuse mass and net CO2-eq emissions saved as a consequence of reuse. This quantitative assessment employs the Reuse Impact Calculator (RIC), based on the Waste Reduction Model (WARM). The RIC is a novel calculator used to quantitatively assess the environmental impact of material reuse. It uses the information about the material to be reused from the WARM database and estimates the emissions and energy savings based on the product’s final destination, that is, reuse, landfill, recycle or composting. A close monitoring of reuse activities in NYC shows 45 × 106 kg of reuse occurring for different products that would otherwise be directed to landfills. The net emissions reduced annually by reuse is approximately 122 × 106 kg of CO2-eq. This article compares the NYC reuse activities with that occurring in some select cities of the world. It is shown that the maximum recycle potential is saturated at 66%, and only auxiliary strategies like reuse can achieve the zero waste to landfill ambitions. Furthermore, this work discusses the role of reuse in the circular economy, wherein the resource utilization is maximized by increasing the shelf life of the product, and thereby enabling a maximum reuse potential.

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published: , 5|2020
Keywords: Reuse, Reduce, United States of America