Climate Changes in Africa, Does Urbanization Matter? A semi-Parametric Panel Data Analysis

Document Type : Original Article


1 Finance and Economics, University of Sharjah, Sharjah, UAE

2 Department of Urban Planing, Faculty of Urban and Regional Planing, University of Curtin, Perth, Australia


The present study seeks to examine the impacts of urbanization on carbon emissions through the investigation of the existence of an environmental Kuznets curve (EKC). Using the STIRPAT framework, this is the first study in Africa to explore the urbanization and carbon emissions nexus; using panel data together with semi-parametric panel fixed effects regression. Our dataset refers to a panel of 54 countries in Africa spanning the period 1980–2014. We find the evidence supports the presence of an inverted-U shaped relationship between urbanization and carbon emissions in the region. Overall, our findings suggest that environmental degradation in the continent may be reversible and environmental quality may be recoverable even with growing urbanization.


King VM, Armstrong DM, Apps R, Trott JR. Numerical aspects of pontine, lateral reticular, and inferior olivary projections to two paravermal cortical zones of the cat cerebellum. J Comp Neurol 1998;390:537-551.
Africa Agriculture Status Report. Youth in Agriculture in Sub-Saharan Africa, Alliance for a Green Revolution in Africa», Nairobi, Kenya. 2015.
Al-Rawashdeh R, Jaradat AQ, Al-Shboul M. air pollution and Economic Growth in MENA Countries: Testing EKC Hypothesis. J Environmental Research, Engineering and Management 2014; 4 (70): 54-65.
Anderson D, Cavendish W. Dynamic simulation and environmental policy analysis: beyond comparative statics and the environmental Kuznets curve. J Oxford Economic Paper 2001; 53: 721-46.
Arouri ME, Youssef A, M’henni H, Rault C. Energy consumption, economic growth and CO2 emissions in Middle East and North African countries. J Energy Policy 2012; 45: 342-349.
Baltagi BH, Li D. Series estimation of partially linear panel data models with fixed effects. J Annals of Economics and Finance 2002; 3: 103-116.
Black R. Environmental refugees: Myth or reality? UNHCR Working Papers 2001; 34:1-19.
Burton E. The compact city: just or just compact? A preliminary analysis. J Urban Studies 2000; 37 (11): 1969-2001.
Capello R, Camagni R. Beyond optimal city size: an evaluation of alternative urban growth patterns. J Urban Studies 2000; 37 (9): 1479-1496.
Chen H, Jia B, Lau S. Sustainable urban form for Chinese compact cities: Challenges of a rapid urbanized economy. J Habitat International 2008; 32(1), 28-40.
Cole MA, Neumayer E. Examining the impact of demographic factors on Air Pollution. J Population and Environment 2004; 26: 5-21.
Dietz T, Rosa, EA. Effects of population and affluence on CO2emissions. J Proceeding of the National Academy of Science of the USA 1997; 94: 175-9.
Ehrlich PR, Holdren JP. Impact of Population Growth. J Science 1971; 171: 1212-1233.
Fana Y, Liua LC, Wua G, Weia YM. Analysing impact factors of CO2 emissions using the STIRPAT model. J Environmental Impact Assessment Review 2006; 26 (4): 377-395.
Herrala R, Goel R.K. Global CO2 efficiency: Country-wise estimates using a stochastic cost frontier. J Energy Policy 2012; 45: 762-770.
Intergovernmental Panel on Climate Change. The Fourth Assessment Report of the Intergovernmental Panel on Climate Change 2007.
Jenks M, Burton E, Williams K. The Compact City: A Sustainable Urban Form? E & FN Spon, NewYork 1996.
Jones DW. How urbanization affects energy-use in developing countries. J Energy Policy 1991; 19: 621-630.
Liddle B. Demographic and per capita environmental impact: using panel regressions and household decompositions to examine population and transport. J Population and Environment 2004; 26(1): 23-29.
Liddle B, Sidney LS. Age-structure, urbanization, and climate change in developed countries: revisiting STIRPAT for disaggregated population and consumption-related environmental impacts. J Population and Environment 2010; 31(5): 317-343.
Martinez KE. Social determinants of deforestation in developing countries: across-national study. J Social Forces 1998; 77: 567-86.
Newman P, Kenworthy J. Cities and automobile dependence: A sourcebook, Adlershot, UK: Gower Technical 1989.
Newman PWG, Kenworthy JR. Cities and Automobile Dependence: An International Sourcebook, Gower Technical, Aldershot 1989.
Poumanyvong P, Kaneko S. Does urbanization lead to less energy use and lower CO2 emissions? A cross-country analysis. J Ecological Economics 2010; 70: 434-444.
Schneider SHS, Semenov A, Patwardhan I, Burton CHD, Magadza M, Oppenheimer AB, Pittock A, Rahman JB, Smith A, Suarez Yamin F. Assessing key vulnerabilities and the risk from climate change. J Climate Change 2007; 779-810.
Stern DI. Explaining changes in global sulfur emissions: an econometric decomposition approach. J Ecological Economics 2002; 42: 201-220.
Wang Y, Han R, Kubota J. Is there an Environmental Kuznets Curve for SO2 emissions? A semi-parametric panel data analysis for China. J Renewable and Sustainable Energy Reviews 2016; 54: 1182-1188.
Wang Y, Zhang X, Kubota J, Zhu X, Lu G. An empirical study of the environmental Kuznets curve for environmental quality in Gansu province. J Ecological Indicators 2015; 56: 96-105.
Yavuz NC. CO2 emission, energy consumption, and economic growth for Turkey: evidence from a cointegration test with a structural break. J Energy Source Part B 2014; 9: 229–35.York R. Demographic trends and energy consumption in European Union Nations, 1960-2025. J Social Sciences Research 2007; 36(3): 855-872.
York R, Rosa EA, Dietz, T. Ecological modernization theory: theoretical and empirical challenges. The international handbook of environmental sociology (2nd ed.), Cheltenham, UK: Edward Elgar, 2010; 77.
Zarzoso IM, Morancho AB, Lage RM. The impact of population on CO2 emissions: evidence from European countries. J Environmental Resource Economics 2007; 38: 497-512.
Zarzoso IM, Maruotti A. The impact of urbanization on CO2emissions: evidence from developing countries. J Ecological Economics 2011; 70: 1344-53.
Zhua H, You W, Zeng Z. Urbanization and CO2 emissions: A semi-parametric panel data analysis. J Economics Letters 2012; 117: 848-850.