URBAN METABOLISM AND TRANSPORTATION ASSESSMENT OF KUALA LUMPUR, MALAYSIA
DOI:
https://doi.org/10.21837/pm.v18i13.793Keywords:
material flow, input-output analysis, urbanization, Kuala LumpurAbstract
Carbon dioxide, a major greenhouse gas has become an indicator in global warming and climate change. Meanwhile, cities are a medium whereby the source of carbon dioxide is released due to the urbanization and transportation sector. This situation leads to unpredictable impact to the environmental, social and economic condition of the city. Kuala Lumpur is a capital city that experiences rapid growth and was chosen for input-output analysis while Bukit Bintang road and Tunku Abdul Rahman road were chosen for ambient air monitoring due to traffic congestion problems in the city centre. The ambient air quality monitoring was measured on Saturday, Sunday and Monday for 8 hours. The sampling started at 7.00 a.m until 3.00 p.m. with a 5-minute log interval. The study found that carbon dioxide emission from both roads in Kuala Lumpur contributed to 376 ppm of carbon dioxide showing that transportation was a massive source of greenhouse gas emission in the city. Meanwhile, the input-output analysis in Kuala Lumpur showed a significant increase between 2010 and 2016 where electricity consumption, food consumption input, water consumption, gas emission and wastewater output rise due to urbanization and increasing population in the city. In contrast, the enforcement of mandatory waste management by the government has resulted in the decrease of solid waste output in Kuala Lumpur. The greenhouse gas released output in terms of Global Warming Potential from the input-output analysis was 5.88 MMtCO2eq. The study showed that the impact of urbanisation such as ambient air pollution is closely related to energy consumption and greenhouse gas emission.Downloads
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