In a situation of dreadful and deteriorated scenario, natural resources being contaminated, corrupted, distressed, disturbed, disrupted, despoiled, degraded, defamed, deteriorated, polluted, ruined, tarnished and infected by unsystematic, haphazard, inequitable and unwarranted activities of mankind merged with the nonsynchronization of the nature, patchy deterioration, unlikely depletion, unmanageable change, non-restricted urbanization, non-conformity of technical progress by leaps and bounds beyond the equilibrium not coping with the as usual natural systems without thinking of the demand of future generation for their existence causes severe environmental dilapidation and culprit pollution by the unplanned urbanization and developing infrastructure in unsustainable way. To the cross-road of the development actions and man-made maneuverings, whole world is triggering such deteriorated tracks continuously. In this context, proper initiatives should be considered to assess the global situation followed by the review of regional and global efforts with the proper recommendations to save the nature, nature entities and natural resources. As the succession of such initiatives, ICETCESD 2011, International Conference on Environmental Technology and Construction Engineering for Sustainable Development – is organized at Sylhet, Bangladesh for the first time not only in Bangladesh but also in the South Asia Sub-continent of Continental Asia. It will give the opportunities to exchange the views and experiences of the academicians, researchers, engineers, specialists, experts, professionals as well as the learners at international level from home and abroad and to understand the environment technology and construction engineering as a whole essential in the field of infrastructure development leading to sustainable development. It will open the eyes how a system can be made effective within limited resources and constraints leading to sustainable development. Technical papers and posters were invited from the academicians/ researchers/ professionals/ experts working on environmental technology and construction engineering around the world well before the conference date. About 200 abstracts were received; after review, a total of 118 technical papers and 5 keynote articles were selected for publications in the Conference Proceedings. Academicians, researchers, professionals and other personalities from different countries i.e. Australia, Bangladesh, Canada, India, Nepal, Thailand etc submitted their scientific contributions in this conference. Papers have been lightly edited to homogenize the style and to revise the contents based on reviewers’ comments. However, the final responsibility for the contents, quality and the presentation of the papers is held by each individual author. In the proceedings, only the executive summary of the papers are printed and hence published, however, full papers are available in a CD-ROM enclosed with the proceedings. I would like to acknowledge the great efforts of the authors, who jointly and/or individually contributed by submitting papers. I might appreciate the supports received from the reviewer’s who did it perfectly. The contributions of the members of all committee are gratefully acknowledged. Heartiest thanks to Dr. Mushtaq Ahmed and Dr. G. M. Jahid Hasan for putting their excellent joint efforts with me for editing the proceedings including composing the text, figures, tables and photographs, which is indeed a tedious job. Finally, great appreciation is due to the Title Sponsors Seven Circle Cement Ltd., Dhaka; Ratanpur Steel Re-rolling Mills (RSRM) Ltd, Chittagong; and Comprehensive Disaster Management Program (CDMP), Ministry of Food and Disaster Management, Ministry of the Peoples Republic of Bangladesh in association with US Aid, European Commission for financing the major portion of the cost to organize the Conference. Also thanks to other sponsors who financially contributed through the sponsorship in the form of advertisement in the souvenir published on the eve of ICETCESD 2011.