The out if indeed there is problem

The growing worldwide, rapid industrialization and associated huge
quantities of solid waste generated daily have and continue to contribute to
grave environmental crisis globally and associated community life challenges
(Muzenda &Popa, 2015).Waste tyres are one common challenge to all countries
the world over which has brought huge economic losses, human and environmental
health problems, hence needs to be dealt with as a matter of urgency (Jinhui Li
et al, 2014).


The Estimation of waste tyres globally produced and disposed has
experienced an upsurge reaching highs of  about 3 billion units globally, which most
professionals attribute to the estimated tyre market growth between years 2011
and 2015 respectively (Global Tyre Market Report., 2012).This worldwide tyre
market increase has been explained also as a consequence of an increasing
avenues of car or automobile ownership especially motivated by cheaper and
affordable used cars, motorcycles, bicycle etc. Many diagnostic studies such as,
An evaluation of Waste Management in Botswana: Achievements and Challenge(Kgosietsile
& Zhaohui,2015),Botswana’s Waste Management Strategy(1998),Waste Tyre
Management Problems In South Africa(2009),Status of Waste Tyres And Management
Practice in Botswana(Mmereki et al,2017) etc, have been carried out to find out
if indeed there is  problem of waste tyre
management. These studies came to the conclusion that the globe is grappling with
having environmentally sustainable tyre management strategies, especially in
the developing world (Mmereki et al, 2017; Kgosietsile & Zhaohui, 2015).
The developed countries have relatively been proactive in employing more
environmentally efficient innovative strategies for purposes of energy recovery
from their waste tyres, but such unfortunately cannot be said about their
counterparts from the developing world, Botswana inclusive (Mmereki et al.,

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Over the years, it has become evident that beyond energy efficiency, the
world grapples with the supply of resources, materials, energy, food and water
(Lehman, 2010). Therefore communities are called to interrogate and rethink
their resource management strategies including waste maximisation and processing
to create new products. Considering the rate at which urbanization has sparked
an increase in waste generation and resource usage, there is surely a burden on
the conventional fossil fuels in terms of their use for energy provision.


According to Wang et al (2009), China alone in the Asia region accounts
for 120 million of waste tyres. The problems of continued increases in
Botswana’s waste tyre problem are worsened by buying the Asian used tyres and
used automotives (Mmereki et al, 2017). As the problem of waste tyres grows it
has given rise to cases of illegal dumping or disposal sometimes not at
landfills which poses major environmental and health risks to the communities
within which such practices occur.Infact most landfills have gotten packed with
the accumulation of waste tyres because due to their durable nature,
biodegradation fails to break them apart(Muzenda & Popa,2015).Their
accumulation therefore leads to heavy metal leakage into the soil hence
contamination of both the soil and underground water sources. Waste managers
and researchers are now tasked with the responsibility of finding alternative
uses of waste tyres as well as recovery strategies. According to Muzenda & Popa
(2015), pyrolysis is the common waste tyre energy recovery method which has
received considerable attention for production of high density liquids, char
and gases and is environmentally friendly. However there are other by products
that can be retrieved from used tyres such as steel, tar, rubber, used tyre
accessories and furniture.