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Pandemic, Plastics And The Continuing Quest For Sustainability
The COVID-19 pandemic has upended the global economy and disrupted the waste, plastic, and recycling industries. While waste management, plastics production, and recycling sectors at first glance appear only tangentially linked to essential services, they are intimately connected to a thriving economy and critical public health roles.
The uncertainties associated with the COVID-19 pandemic have caused significant limitations on recycling and municipal waste services in the U.S. and beyond.
Meanwhile, the likely decrease in plastic waste generation—due to the global decline in economic activity, reduced collection rates and halt in container redemption programs where inventory may not make it into the waste and recycling system until post-pandemic—has been significantly muted by the needs associated with the pandemic.
As a result, more recyclables are being disposed of in the traditional waste processes- landfill and incineration. The behavior is additionally supported by precipitous drop in oil prices that makes manufacturing of the recyclable commodities cheaper. This challenges the goals of sustainability but also displays the deficiencies of short-term and product-based solutions to the plastics waste issue while stressing the need for a systems-level approach.
The global demand for certain uses of plastics has increased due to the coronavirus. The polymers polypropylene, used in lifesaving medical equipment such as N-95 masks and in takeout food packaging, polyethylene used in Tyvek protective suits, and PET in single-use plastic water bottles and medical face shields have all seen a rise in demand as the COVID-19 pandemic plays out.
With restaurants shifting to take-out, consumers stockpiling groceries and bottled water, and the medical community rapidly turning over personal protective equipment (PPE), there has subsequently been an uptick in plastic waste, municipal solid waste from residences, and hazardous waste generated from healthcare facilities, including quarantine sites, that are infected with COVID-19. However, overall plastic waste generation has likely decreased.
Due to the uncertainties around the risks associated with the transmission of COVID-19 to frontline solid waste workers and the survivability of the coronavirus on various surfaces, many municipalities, airlines, and other corporations have responded by shuttering their collection and recycling programs and taking protective measures on how solid waste is managed.
At least 50 curbside recycling programs across the U.S. have been cut or suspended due to a combination of safety, processing, and/or end market issues while over half of the states with container redemption programs suspending enforcement. In an industry already overwhelmed with challenges, materials that would normally find its way to recyclers are being channeled directly as solid waste to landfills and incinerators out of an abundance of caution.
COVID-19 is classified as a Category B Infectious Substance according to international dangerous goods regulations and regulated as a hazardous material due to its capability of posing an unreasonable risk to health, safety, and property.
This classification conveys strict requirements for coronavirus test samples and biohazardous COVID-19 waste generated from hospitals, healthcare facilities, and quarantine sites (personal protective equipment e.g. gloves, masks, gowns; sharps, glassware, or any materials that have come in contact with coronavirus) with stringent handling, collection, separation, packaging, storage, transportation, treatment and disposal specifications. Regulated medical waste must be shipped by qualified haulers and the waste managed at permitted hazardous waste facilities.
Although there is a growing market for recycling plastics, glass, metal, paper, and other materials generated within these operations, 85% of all medical waste is incinerated even though only 15% of it is considered biohazardous. In fact, 25% of healthcare waste generated from U.S. facilities are clean, noninfectious plastics, amounting to one million tons per year of potential opportunity for valuable polymers to reenter the supply chain. Because the novel coronavirus is a new strain that has not been previously identified in humans, the cascade of deficient standard operating procedures, insufficient resources, and employee training on how to handle, manage, and dispose of the virus, and the complexities around balancing patient safety, cost, and sustainability results in more materials being managed through traditional waste processes—incineration and landfill.
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