What the library in the future will look like? What the modern library has to be to have a future? To answer these questions, we are to imagine the library of the future based on modern realty and prospects for social advancement. Today, the concept of “green libraries” as the libraries of the future has become increasingly popular in the world. The researchers discuss enthusiastically and conceptualize the key ideas and characteristics of “green libraries”. The article logically breaks up into two parts. In Part 2, the authors discuss the findings of monitoring of the library websites and available through them thematic information resources on ecology and sustainable development, and analyze the survey results. Through monitoring accessible materials (library websites and subject-related digital resources in ecology and sustainable development), and survey analysis, the authors conclude on the need for the list of “green libraries”, e-libraries and digital information resources on ecology and sustainable development, and, in the long run, the national standard for “green libraries, and professional development educational course