Human Development Report 2007/2008: fighting climate change: human solidarity in a divided world

This study investigates the dynamic impacts of GDP growth, energy consumption and population growth on CO2 emissions using econometric approaches for Malaysia. Empirical results from ARDL bounds testing approach show that over the period of 1970–1980, per capita CO2 emissions decreased with increasing per capita GDP (economic growth); however from 1980 to 2009, per capita CO2 emissions increased sharply with a further increase of per capita GDP. This is also supported by the dynamic ordinary least squared (DOLS) and the Sasabuchi–Lind–Mehlum U (SLM U test) tests. Consequently, the hypothesis of the EKC is not valid in Malaysia during the study period. The results also demonstrate that both per capita energy consumption and per capita GDP has a long term positive impacts with per capita carbon emissions, but population growth rate has no significant impacts on per capita CO2 emission. However, the study suggests that in the long run, economic growth may have an adverse effect on the CO2 emissions in Malaysia. Thus, significant transformation of low carbon technologies such as renewable energy and energy efficiency could contribute to reduce the emissions and sustain the long run economic growth.

CO2 emissions, energy consumption, economic and population growth in Malaysia

This study combines a panel cointegration analysis with a set of robustness tests to assess the short and long-run impacts of renewable energy on CO2 emissions, as well as the Kuznets Environmental Curve hypothesis for 25 selected african countries, over the period 1980-2012. The results provide no evidence of a total validation of EKC predictions. However, CO2 emissions are found to increase with income per capita. The overall estimations strongly reveal that renewable energy, with a negative effect on CO2 emissions, coupled with an increasing long-run effect, remains an efficient substitute for the conventional fossil-fuelled energy. Nonetheless, the impact of renewable energy is outweighed by primary energy consumption in both the short and long run, entailing more global synergy for outpacing the environmental challenges.

CO2 emissions, renewable energy and the Environmental Kuznets Curve, a panel cointegration approach

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Rfid Handbook Fundamentals And Applications In Contactless Smart Cards And Identification

Dynamics of energy use, technological innovation, economic growth and trade openness in Malaysia

In Malaysia, there has not yet been any widely published research that has described contractor attitudes and behaviors regarding waste management including waste reduction, reuse and recycling. Taken together, these attitudes and behaviors are crucial to understanding how construction waste management problems might be resolved. As the Malaysian construction industry is still labor-intensive, the attitudes and behaviors of individuals involved in this industry influence its growth and performance. This paper intends to provide insights on how contractor attitudes and behaviors affect waste management in the construction industry of Malaysia. A structured questionnaire survey was implemented in order to interview local contractors. This paper utilizes logistic regression analysis to assess the relationship between various factors affecting contractor attitudes and behaviors regarding waste management. The results show that contractor attitudes and behaviors regarding waste management tend to differ based on the size of the contractor, which is indicated by its group or category. Contractors that have positive attitudes toward waste management also have satisfactory behaviors, supporting Ajzen's theory of planned behavior. The important and significant factors that affect contractor attitudes toward waste management include contractor size, source reduction, reuse and recycling measures, frequency of waste collection, staff participation in training programs and waste disposal method. Factors such as construction-related education among employees, contractor experience in construction works, source-reduction measures, reuse of materials, waste disposal behaviors and attitudes toward waste management are the most significant factors affecting contractor behavior on waste management. These factors influence contractor attitudes and behaviors and are necessary to effectively improve waste management, growth and performance, as well as to reduce the environmental degradation of the construction industry.

Attitude and behavioral factors in waste management in the construction industry of Malaysia

Construction waste is becoming a serious environmental problem in many large cities in the world. In Malaysia, the construction industry generates lots of construction waste which caused significant impacts on the environment and aroused growing public concern in the local community. Thus, the minimisation of construction wastes has become a pressing issue. This paper is based on a case study which involved construction waste generation and composition as well as reuse and recycling in the site. The case study also analysed the economic feasibility of waste minimisation such as reusing and recycling of construction waste materials by performing a benefit–cost analysis. This study provides an idea of the amount of waste generation, sources and compositions as well as reuse and recycling of materials on the construction sites taking into account the economic dimension. The study shows that waste minimisation is economically feasible and also plays an important role for the improvement of environmental management. In this view, economic instruments for minimising construction waste can be used to raise revenue for environmental policy, encourage prevention efforts, serve to discourage the least desirable disposal practices, as well as to avoid the negative consequences of environmental unfriendly treatment and disposal practices of construction waste materials.

Rawshan Ara Begum

Papers

CO2 emissions, energy consumption, economic and population growth in Malaysia

Dynamics of energy use, technological innovation, economic growth and trade openness in Malaysia

Attitude and behavioral factors in waste management in the construction industry of Malaysia

A benefit–cost analysis on the economic feasibility of construction waste minimisation: The case of Malaysia

A review on technologies and their usage in solid waste monitoring and management systems: Issues and challenges