The XXXIII. International Conference on Biological, Ecological and Environmental Sciences, and Engineering aims to bring together leading academic scientists, researchers and scholars to exchange and share their experiences and research results about all aspects of Biological, Ecological and Environmental Sciences, and Engineering, and discuss the practical challenges encountered and the solutions adopted. The International Refereed Conference Proceedings will be blind peer reviewed by three competent reviewers and indexed by Excellence in Research for Australia (ERA), Google Scholar, Scopus, Compendex, Thomson Reuters, WorldCat, EBSCO, GALE, Embase, Reaxys, Engineering Village / Engineering Index (EI), Library of Congress, British Library, Electronic Journals Library will be internationally distributed both in Electronic CD-ROM Format and Proceedings Book.