Obsolete electronic and computer devices

discarded: Obsolete electronic and computer devices.

—Photo: Guischard Charles

In the aftermath of the World Health Orga­nisation (WHO) declaring the dreadful Covid-19 virus a pandemic on March 11, information communication technologies (ICT) and the use of electronic devices and gadgets have skyrocketed in Trinidad and Tobago. Physical distancing has become the “new normal”. For many of us, online connection and remote work have replaced face-to-face interaction.

In an attempt to minimise contagion and the spread of the Covid-19 pandemic, the private sector upgraded online services and rolled out mobile apps to stay connected with their customers and clients while several Government ministries and agencies, inter alia, implemented work-at-home arrangements for employees. Governments too have sought to fast-track the offering of e-government services.

Additionally, universities and tertiary institutions transitioned to provide online learning to enrolled students. The Ministry of Education declared virtual classrooms for the nation’s pupils for the new academic calendar which began in September.

All of this arose from concerns surroun­ding the possibility of a worsening spike in community spread of Covid-19 cases. This shift to virtual classrooms, online learning, e-government services and e-banking servi­ces saw a surge in demand for laptops, tablets, smartphones, Internet of Things (IoT) devices and other electronic gadgets within the last six months. No doubt, these devices have made our lives more convenient, but did we ever stop to think what happens to all these electronic devices at the end of their lifespan or how our electronic waste (e-waste) is managed?

What is e-waste?

According to Britannica.com, electronic waste can be defined as any type of electric and electronic equipment that becomes obsolete or is irreparable and includes our household appliances and major and minor equipment used in the field of ICT. If unsustainably discarded, these gadgets and devices contain toxic substances that can prove harmful to human health and the environment. Public awareness is paramount to managing e-waste, which is becoming one of the fastest-growing waste streams in the world.

According to the Global E-Waste Monitor 2020 published by the United Nations, a staggering 53.6 million metric tonnes of e-waste was generated in 2019, of which 45 million metric tonnes were either dumped in landfills, burned or discarded in an unsustainable way. In its 2016 Global E-Waste Monitor Report, the United Nations University (UNU) also estimated that Trinidad and Tobago generated 22 thousand tonnes of e-waste.

Established by the WEEE Forum, a not-for-profit international association and endorsed by the United Nations Environment Programme (UNEP), October 14 has been declared International E-Waste Day every year since 2017. The objective is to raise awareness on and promote environmentally sustainable disposal methods for e-waste throughout the world.

Environmental impacts

Disposing of unwanted or obsolete electronic devices using a sustainable approach is very important as many of these contain toxic substances such as mercury, lead, zinc, copper, cadmium and beryllium. In the scientific world, these toxic substances are referred to as heavy metals and can pose a threat to the marine environment if indiscriminately dumped in landfills or thrown into rivers and waterways. These toxic substances can leach into the groundwater and run off into our rivers and seas, adversely impacting aquatic ecosystems.

Research conducted on the coastal areas of the Gulf of Paria by the Institute of Marine Affairs (IMA) in 2011 revealed that lead, mercury and cadmium (heavy metals) were present in the marine environment and had the capa­city to bioaccumulate in aquatic organisms. Bioaccumulation is the gradual accumulation of substances from the environment into the tissues of organisms.

The report further indicated that heavy metals (lead, mercury, copper, zinc and cadmium), which were identified as land-based sources of pollution, were likely to adversely affect aquatic life (IMA, 2011). Other scientific studies have reported on the bioaccumulation of these heavy metals in fish, particularly in the liver, gills and flesh, adversely influencing the vital operations and reproduction processes, weakening the immune system and inducing pathological changes in them (Babwuro, 2018).

Aquatic ecosystems, such as wetlands, seagrasses and coral reefs are unfortunately vulnerable to heavy metal contamination and pollution. An iternational study has demonstra­ted that traces of lead, mercury and copper were found in mangroves and seagrasses, and thereby negatively affecting ecosystem services by reducing fecundity. (Bonanno et al, 2017). Once accumulated in sediments, the heavy metals move up the food chain, posing a threat to man.

E-waste, once it leaches into our environment, can affect our immune systems and overall health. Toxic substances such as lead, generally contained in computer and laptop monitors, is known to affect kidney function and the central nervous system in humans. According to a WHO report published in 2008, entitled Guidance for Identifying Populations at Risk from Mercury Exposure, mercury, found largely in several household appliances such as refrigerators and microwaves, was discovered to contribute to liver damage in humans, putting young children and developing foetuses at risk.

Managing hazardous waste

Effective management of e-waste is paramount to prevent these toxic substances and materials from entering our environments, and the transboundary movement of these hazardous materials between nations. The formulation and implementation of a national policy through relevant legislation is an effective means to manage e-waste as evident in several European nations where regulation is strict and enforced under the Waste Electrical and Electronic Equipment directive.

Although T&T has not enacted legislation specific to e-waste, it has formulated a national policy concerning the disposal of hazardous waste and the granting of permits for disposal of same. In response to the illegal trade of e-waste and hazardous waste between developed and least developed nations, the United Nations adopted the Basel Convention on the Transboundary Movements of Hazardous Wastes and their Disposal, which came into force in 1992.

Two years later, T&T became party to the convention via accession in 1994, and since 1995 has hosted the Basel Caribbe­an Sub-Regional Training and Tech­nology Transfer Centre, which today is known as the Basel Convention Regional Centre (BCRC), for training and technology transfer in the Caribbean regarding the movement of ha­zardous waste and disposal. As a result, the Government must ensure that appropriate measures are in place to effectively manage hazardous waste, which now includes e-waste.

Recycling and refurbishing

The increased demand of these devi­ces means our business places, homes and schools are likely to generate three times more e-waste than before, and this needs to be effectively managed. However, there is a silver lining in every dark cloud. These devices can be recycled through laptop refurbishment projects, which can be undertaken in computer laboratories in secondary schools, universities, tertiary-level institutions or businesses.

The recycling programme not only enables a device to be refurbished but instils values of conservation, innovation and environmental stewardship. In fact, long before the world was disrupted by the Covid-19 pandemic, a few local businesses have been leading in this area.

One such example is the “Restore A Sense of I Can (RSC)”, a non-profit organisation which embarked on an e-waste project aiming to educate the public on adverse effects of dumping e-waste and enabling the recycling of e-waste. We invite you to visit www.swmcol.co.tt the website of the T&T Solid Waste Management Company Ltd to learn of e-waste disposal methods.

Management of our e-waste is paramount. When you invest in a new device, consider too what you will do when the product reaches the end of its economic life and have a plan for its recycling, re­purposing and disposal. Support firms that provide a recycle, reuse and disposal plan for the gadgets they sell. Save our planet, be respon­sible.

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