This paper is an attempt to discuss the role of green practices/services which are incorporated within libraries towards environmentally sustainable. With continuous use and easy availability of new technologies like computer printers, faxes, and photocopiers etc. it is very important to protect the environment. Since, all these machines have an impact using paper, ink, and electricity on the environment. This paper begins with an explanation of sustainability, environmental sustainability, green printing, and copying etc. Further, demonstrates the various sustainable strategies for the libraries. And also highlights the strategies for overcoming the impact of paper use, ink use and electricity. This paper will also provide a different approach for librarians to achieve green practices/ services. The adverse impact of new technologies on the environment also increases the requirement of green practices/ services within libraries and reducing the carbon footprint, which will automatically enhance the environmentally sustainable practices, a valuable step for enhancing the lifestyle of society.