Dear Readers It is my pleasure to present this August issue of the Current World Environment before you. I thank all the authors, reviewers and the office staff who have put all their efforts to bring out the issue in time. This issue has total eleven articles representing different types and topics. A review article reports the utilization of rice husk ash and its effect on the properties of concrete. There is a very important study reporting water quality of discharge from textile industrie...

Introduction  Marine pollution is one of the most priority issues facing by the whole world. It damages the ecosystem and habitat of many marine organism of coastal environment. To rectify this problem, number of monitorFing programs have been initiated.1-2 Solid waste generated form anthropogenic activates along with coast line have a unique characteristic higher generation densities. The waste originated from different sources have tendency to transport through cu...

Introduction Concrete has cement as a binder, therefore, it is subject to two phenomena: calcination and carbonation.1 The cement manufacturing process consumes energy and generates carbon dioxide (CO2) due to calcination, whereas carbonation of cement, a natural process of calcium carbonate formation in the concrete hydration process, uptakes CO2 from the environment, an interesting environmental factor that may contribute to reduction of this greenhouse gas.2,3 In fact, ce...

Introduction Green spaces in the form of public parks and open-use areas provide numerous ecosystem, human health and social benefits.1-5 For example, these spaces have been shown to improve air and water quality.2 Such bioclimatic improvement has in turn been shown to increase one’s feeling of health and wellness, which can improve social interactions.4 Furthermore, physical and mental health has not only been correlated with green space but has also been shown to improve ...

Introduction The global demand for food is on the rise to meet the demands of expanding population. It has been estimated that on an average more than 45 % of the world’s food crops are destroyed due to insect pests and plant diseases.1 In order to manage these pesticides have been widely used by the farmers to control the pests and diseases.2 The history of pest control dates back many centuries where farmers initially used agents such as sulphur and DDT to protect their crops. Soo...

Introduction Climate change has been one of the major issues and international debates before, as well as during the International Conference on Environment and Development. Achieving an acceptable international mechanism for reducing and controlling the use of fossil fuels in global development activities is a major effort in recent years. With the onset of the industrial revolution in the early nineteenth century and the rise of human need for energy, the consumption of various fossil fuels...

Introduction Spending time outside has been demonstrated to have a positive impact on individual mental, physical, psychological, and emotional well-being.1–5 Furthermore, public parks have been shown to have a positive impact on community well-being as a whole, and the well-being of individuals within communities.4,6–9 Evidence, however, also suggests that many public parks may be underutilized.10 To understand public park use, several questions must be answered, such ...

Introduction Textile manufacturing sector of Bangladesh is the biggest earner of foreign currency and contributes significantly to the GDP of Bangladesh.1 With the rapid development of textile dyeing industry it has become the biggest sector in Bangladesh where large streams of waste effluents are produced. Textile manufacturing is a very complex and lengthy process. It is based on the three steps procedure like fiber into yarn, then yarn to fabric and finally to textiles. These are ...

Introduction Soil health and fertility are important factors of sustainable agriculture governing the soil tree growth environment.1 The interdependence and interlink of soil health and soil fertility balance play an important role in the growth of plants. Soil fertility defined as the presence or absence of nutrients (macro and micro) is particularly sensitive to soil health environment affected by various physical, chemical and biological factors of soil2,3 The soil health and s...

Introduction The infectious biomedical waste which is only 15 to 25% of the entire waste is not segregated and is mixed with general waste which ultimately turns the whole waste into infectious waste.3 The same waste is dumped into municipal bins and in municipal dumping yards , then, therefore the whole wastes in municipal bins become infectious and the mixed wastes in open dumping yards make the environment filthy and hazards to the public spreading dangerous diseases. The uneth...

Introduction The major environmental issues emerge these days are change in the climate, drain of the resources and so on. The climatic changes are increasing air contamination such as smog, depletion of ozone layer, greenhouse effect etc., which is a fundamental concern for researchers nowadays. The utilization of cement for urbanization and industrialization is significant cause for the air contamination because 10 quintal of CO2 emitted from the manufacturing of 10 quintal of cement, which...

Introduction Healthcare is, directly or indirectly, associated with the provision of health facilities to individuals. The healthcare facilities (HCF) involve a broad range of workforce such as physicians, nurses, experts, clinical research/ laboratory personnel, social and administrative workers.1 Health care services around the world employ over 59 million personnel who are daily exposed to a variety of health and safety hazards. Healthcare, an important sector of the U.S. economy ...