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1 Introduction
Criminal behavior has been studied
for centuries. Scholars and experts from dis-
parate academic backgrounds have tried to
“impose their own stamp on thinking”
(Downes, Rock, & McLaughlin, 2016) on
origins and reasons that lead on a person to
commit a crime.
Theories arise from the old biological ap-
proaches, which hypothesized that crimi-
nals could be identified by biological and
physical traits, such as “small or malformed
skull, pronounced and large jaw, a sloping
forehead, and receding chins” (Rafter,
2008), to new contemporary biological the-
ories to crime, which look at the biochemi-
cal conditions, neurophysiological dam-
ages, and genetic inheritance of the criminal
(SCCJR, 2016).
Rather, psychological theories vary:
according to those, criminal behavior is due
to individual reasons such as emotional dis-
turbance, clinical disorders, negative child-
hood development, and incomplete cogni-
tive maturation (Raine, 1993), while the
wider sociological approaches consider
criminal behavior as a result of social fac-
tors external to the individual, such as dis-
organized contexts, racial heterogeneity,
absence of law enforcement, and relative
deprivation (Miller, 2014). The latter sug-
gests the feelings of certain groups of peo-
ple who “see themselves unfairly disadvan-
taged compared to other individuals or
groups” (SCCJR, 2016), leading to frustra-
tion and resentment.
On the one hand, the lack of integra-
tion among the several theories mentioned
above led every approach to a comprehen-
sive investigation of the analyzed object,
even if from only one perspective. On the
other hand, this unidirectional development
did not allow completely either an amal-
gamation of ideas from the different aca-
demic fields, or an inclusion of new ele-
ments that could be responsible for criminal
behavior, such as air pollution.
Even if the impact of air pollution
has always been assessed through a health-
based risk evaluation as cancer, a recent and
growing literature shows how air pollution
affects negatively not only the worker
productivity in physical jobs (Lavy et al.,
2014), or the cognitive performance in stu-
dents at school (Bharadwaj et al., 2014), but
also air pollution could induce an aggres-
sive and violent human response. In fact,
exposure to air pollution can affect people’s
life, reactions, and feelings through an in-
crease of aggression, impulsiveness, irrita-
bility, and a decrease of self-control (Heyes
& Saberian, 2015).
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Keeping in consideration earlier re-
search and theory about the impact of air
pollution on crime, the aims of this study are
to investigate the possible correlation be-
tween air pollution and criminal behavior,
as well as to analyze the social perceptions
and attitudes toward the risks of living in a
highly polluted area.
As the two tables below show, the
studied area is the South Durban Industrial
Basin (SDIB), the largest toxic hub of
South Africa where petrochemical refiner-
ies, “numerous toxic waste landfill sites, an
airport, a paper manufacturing plant, and a
multiple of chemical process industries”
(Peek, 2000) are responsible for an unac-
ceptable level of toxins emissions, affect-
ing negatively not only the surrounded en-
vironment but also the 280 000 people liv-
ing in the area (Ethekwini Population Cen-
sus, 2011).
Table 1 – Map of Durban
Table 2 – Map of South Durban Industrial Basin
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This mixed-methods study is di-
vided in two main parts: a quantitative and
a qualitative research.
The quantitative research investi-
gates the relationship of air pollution, in
particular Sulphur dioxide (SO2), Nitrogen
dioxide (NO2), and Particulate Matter
(PM10 / PM2.5), with violent crimes. It is im-
portant to highlight that this research is an
observational study. Therefore, it does not
provide the probability of a causal relation-
ship between air pollution and criminal ac-
tivity. Rather, an observational study repre-
sents the starting point for further studies
concerning the interesting correlation found
in this investigation.
The definition of violent crime is
based on the FBI’s Uniform Crime Report-
ing (UCR) Program, which considers vio-
lent crimes those crimes “against persons or
property that intentionally threatens, at-
tempts, or actually inflicts physical harm”
(FBI, 2010). For the purpose of this study, a
violent crime is defined as murder, at-
tempted murder, sexual offences, common
robbery, aggravated robbery, common as-
sault, aggravated assault, and arson.
The crime data cover a period from
2005 to 2013. The data are collected annu-
ally by the South Africa Police Service
(SAPS) and they are reported by the South
Africa crime statistics website. The crime
data refer to the following South Durban ar-
eas: Isipingo, Greater Merewent, Montclair-
Clairwood, and Brighton Beach. The choice
of these residential areas is based on their
proximity to the main toxic hotspots.
The air pollution data cover the
same period as the crime data, from 2005 to
2013. The research results are built on a bi-
variate analysis of the two data sets. The air
pollution data are obtained by the annual re-
ports provided by the eThekwini Munici-
pality, where the South Durban Basin is lo-
cated. Pollution is measured by twelve air
monitoring stations, “designed by an expert
team from the eThekwini Health Depart-
ment under the technical guidance of NILU,
the Norwegian Institute for Air Research”
(eThekwini Annual Report, 2005). The air
stations are: Prospecton, Southern Works,
Ganges School, Settlers School, Went-
worth, Jacobs, and Grosvenor School. The
choice of these stations is based on their
proximity to the crime areas analyzed, and
therefore also with the toxic hotspots.
The qualitative research investigates
the social perceptions and attitudes of peo-
ple affected by air pollution. How does air
pollution affect people’s lives? How are
their personal experiences shaped by living
in a situation created by environmental in-
justice? How did the South Durban inhabit-
ants learn to live in such environmentally
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insulting reality? These questions are an-
swered interviewing a sample of 100 resi-
dents from the areas most affected by air
pollution: Wentworth, Merebank East,
Bluff, Isipingo, and Montclair-Clairwood.
Other data sources include socio-
economic data of the studied areas obtained
from the eThekwini Census of 2001 and
2011, and from the “Social Impact Assess-
ment” of Sutherland et al. (2009). Moreo-
ver, meteorological data, especially wind
direction, are used to explain the direction
of air pollution towards certain residential
areas. Meteorological information is re-
ported by the eThekwini Municipality an-
nual reports.
The layout of the rest of the paper is
as follows. In Section 2, a theoretical frame-
work is provided. In Sections 3 and 4, the
personal choice of coming to South Africa
to study the South Durban Industrial Basin
is explained. Section 5 presents detailed in-
formation about the data sources. Section 6
provides an overview of both the quantita-
tive and qualitative methods, challenges and
limitations. Section 7 describes the quanti-
tative study, results, and falsification. Sec-
tion 8 describes the qualitative study and re-
sults. Section 9 concludes.
It is essential to highlight an aspect
which characterizes the whole study. The fi-
nal purpose of this research is not to claim
that crime is caused only by the high pres-
ence of air pollution in certain areas. Rather,
the aim is to try to integrate in further crim-
inological research other aspects not fully
understood, which could be additional
causes of criminal behavior.
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2 Theoretical Framework
Crime has always been considered a
consequence of psychological and social
factors.
How many times did we hear that a crime
was committed by a person with a mental
disorder? How many times did we discover
that the perpetrator was under the influence
of alcohol and/or drugs? How many times
did we find out that a crime was consum-
mated due to unemployment reasons or per-
sonality disorders?
As most of the studies show, crimi-
nal behavior is caused by an interaction of
both sociological and psychological factors.
I address here whether it would contribute
to criminology theory to take also into con-
sideration environmental pollution as a so-
cial stressor leading to an increase of irrita-
bility and hence aggression.
Section 2.1 outlines a recent subfield
of criminology, called green criminology
whose purpose is studying the relationship
between natural environment and crime.
Section 2.2 presents important concepts for
both green criminology and this study, such
as environmental crime, environmental vic-
timology, environmental justice, and envi-
ronmental racism. Section 2.3 provides sup-
port for this research, showing those studies
that establish correlations between air pol-
lution and crime.
Sections 2.1 and 2.2 address a ques-
tion that has been asked of me several times
during this research: What is the relation-
ship between criminology and the physical
environment?
2.1 Green Criminology: The New Horizon?
Green criminology is such a recent
and still developing subject that, according
to several scholars, the term “green crimi-
nology” itself represents both an umbrella
category and an open framework, rather
than an established theory. On the one hand,
green criminology is an umbrella category
because it is a system of “intellectual, em-
pirical and political orientations toward pri-
mary and secondary harms, offences and
crime that impact in a damaging way on the
natural environment, diverse species (hu-
man and non-human) and the planet” (South
& Ruggiero, 2013). On the other hand,
green criminology is an open framework in
“involving an inter-and multi-disciplinary
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rendezvous point from disparate subjects,
like political science, economics, psychol-
ogy, organization theory as well as conser-
vation and environmental sciences” (South
& Ruggiero, 2013).
Early engagements in the relation-
ship between natural environmental issues,
victimization and crime can be traced in
several studies (Rodríguez Goyes & South,
2017). However, it was only in 1990 that
Michael J. Lynch coined the concept of
“green criminology”, “an entirely new per-
spective or orientation within criminology”
(Lynch, 1990) with multiple themes and
topics. For instance, “one could: study envi-
ronmental and wildlife laws and regula-
tions; investigate the social harms associate
with chemical and pesticide manufacturing
on a local or global scale; analyze interna-
tional treaties devoted to environmental
protection; develop national and compara-
tive studies of environmental politics and
power; investigate drug dumping in power-
less third-and fourth-world nations; expose
unsafe working conditions and hazards cre-
ated by pesticides, both in the field and in
the factory; reveal global political and eco-
nomic structures responsible for the expor-
tation of environmental hazards from indus-
trialized, core nations to the periphery; and
ultimately tie all such studies to political,
economic and class relationships that struc-
ture these outcomes” (Lynch, 1990).
Therefore, this exhaustive statement
suggests that green criminology is in a nut-
shell “the analysis of environmental harms
from a criminological perspective, or the
application of criminological thought to en-
vironmental issues” (Potter, 2012 cited in
Cowburn et al., 2013).
On the same path, in 1998, Nigel
South proposed the development of a new
“green perspective” in studying crimes,
aiming to bring forth new criminological
theories and practical suggestions related to
those environmental challenges that our so-
ciety created. A society called metaphori-
cally by Ulrich Beck a “Risk society”,
wherein uncontrollable risks, such as cli-
mate change, air pollution, nuclear waste, or
financial crisis are affecting everyone, with-
out any spatial, temporal and social bound-
aries (Beck, 2002). Thus, a global intercon-
nection of people, systems and networks
which is the basis for the “Butterfly effect”,
meaning that “what happens in one part of
the world will have an impact in another
part.” (White, 2011).
Unfortunately, although a matter of
global importance, “crimes against the en-
vironment have by no means received full
acknowledgement yet as a field of study in
criminology” (South, 1998). It seems, in
fact, that criminology is trying to avoid or
escape from dealing with environmental is-
sues. Consequently, criminology needs to
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reconsider and rethink its own studied ob-
ject, breaking and overcoming the tradi-
tional concept of crime towards new para-
digms.
This undefined situation raises sev-
eral questions. For instance, what are the
implications of applying a green and eco-
logical imagination on crime? How can the
traditional concept of crime be shaped by
green criminology? How should people af-
fected by the destruction of their natural en-
vironment consider their plight? Which
kind of justice should be involved in dealing
with crimes against the physical environ-
ment? Further studies are required.
2.2 The key concepts behind Green Criminology
2.2.1 Environmental Crime
The core of green criminology is the
study of environmental crimes, a new con-
cept different than traditional notions of
crime. Environmental crimes do not refer to
interpersonal violence or property crimes,
but rather as “acts that breach environmen-
tal legislation and cause significant harm or
risk to the environment and human health”
(EFFACE, 2016). This definition, however,
is ambiguous. Is an environmental crime
more a “crime” or a harm? How can the two
be distinguished?
According to Lynch and Stretsky
(2003), in order to better understand the
meaning of environmental crime, it is nec-
essary to examine it under two different per-
spectives: corporate actors and environmen-
tal justice.
From the corporate actors’ perspec-
tive, green crime is considered as “unau-
thorized acts or omissions that violate the
law and are therefore subject to criminal
prosecution and sanctions” (Lynch &
Stretsky, 2003). This narrow and strict
statement, however, has two main limita-
tions. Firstly, environmental crimes are not
yet addressed fully by international legisla-
tion to prevent and prosecute them. There-
fore, not only are green crimes not consid-
ered a priority of the governments, but also
what is criminal in one country may be legal
in another. This is the case, for instance, of
the relocation of industries from First-
World countries into Third-World coun-
tries, wherein not only there is a strong lack
of control and law enforcement, but also