Sustainable development has become eminent in recent times as a concept that affects every aspect of human life. Human actions have affected the natural ecosystem and have resulted in climate change, rapid depletion of natural endowments and continuous damage to the biodiversity has had a tremendous negative impact on the economic, social and environmental wellbeing. These have prompted the global community and governments around the world to find lasting solutions to correct the adverse effects the world's economy, our society and the environment. This thesis basically seeks to examine sustainability measures that have beentaken by Latvia, Hungary and Finland to ensure sustainable development in their respective countries. After assessing the national sustainable development strategies, it was observed that the selected countries are doing their best within their own means to ensure sustainable development by creating awareness about the need to use environmentally-friendly technologies and to desist from practices that cause harm to the natural systems and promote economic growth and improve standard of living of their people.