The book covers recent developments in biotechniques and biotechnology and international authorship from USA, Egypt, Bangladesh presents global issues facilitating in our understanding of the possible role of biotechnology in resolving significant scientific and societal problems for the ulterior benefit of environment and mankind. In an effort to provide a balanced coverage of basic molecular biology and practical applications and to introduce students and researchers to cutting edge techniques and applied biotechnology, we have selected 21 peer reviewed articles under the broad theme, “Biotechniques and Biotechnology” of the International Conference on Recent Trends in Climate Change Researches vis-a-vis Biodiversity, subdivided under 6 sections of Nanobiotechnology and Electron Microscopy, Biomolecules and Toxicology, Biomedicine, Biotechnological Challenges and Biochemistry, Molecular Biotechnology and Immunotechnology featuring broader aspects of the role of biotechnology in human welfare. The contributions emphasize modern, cutting-edge, and emerging areas of biotechnology that have been written with special reference to the latest developments in above areas by learned and experienced authors. The language of the book is simple, lucid and savvy.