The main purpose of this study was to analysis of student's awareness on environmental issues and problems and their behavior towards the environment in different public and private universities of Bangladesh. To make a conclusion of this purpose, a questionnaire of variables were designed and tested on a sample of 400 students from two categories like environmental background and non environmental background students studying in public universities (Dhaka Universities and Jahangirnagar University) and private universities (Stamford University Bangladesh and State University of Bangladesh)....

Rainwater Harvesting System (RWHS) is a technique of water collection, which has been used since ancient times. A simple affordable, technically feasible and socially acceptable safe drinking water supply system in difficult geo-hydrological areas is very much in demand. RWHS can be considered as a probable solution of drinking water crisis in arsenic affected areas, saline zone in the coastal areas and areas prone to declining water table etc. Here, we have analyzed the rainfall characteristic of Bangladesh. In Bangladesh 85 percent of its annual rainfall during the monsoon and the average...