For a nation to be developed, it requires information. Today, information is the most important singular variable which differentiates and determines whether a country is the first, second, third or fourth world. Information has a key role to play in the attainment of sustainable development goals. The roles of libraries in attaining the sustainable development goals are indispensable. Information as a commodity, if properly utilized for decision making, policy formulation, research and educational purposes can result in sustainable development. This paper looks at information literacy, skills required of individuals, importance of information literacy, roles of libraries as agents of information literacy for the attainment of sustainable development, challenges and imperatives for sustainable development.