Abstract The Digital Era has revolutionized the methods for the organisation and automated handling of information Thinking deeply changing academic environment, Libraries should plan ahead and take their services to plan ahead and take their services to where users require most rather than becoming too limited or denying users the chance to learn in modern environment using Viral reference service.The search Engine Technology degraded overtime by the rapid increase of web pages and the retrieval strategies has yielded poor results.This article describes a conceptual model of resource access of academic & public Libraries in Developing countries and discuss about the nature of libraries in this digital age,and mainly the impact of Green IT in Library Digitisation.