Developing countries need to design projects to increase the growth and wellness of its human population, which involves the inclusion of topics associated directly with the sustainable development of these countries and their particular social problems. This book examines the interrelations between development, growth, the environment and inequality, especially in developing countries and taking into account qualitative and quantitative approaches. Increasing welfare of the population is important to the increase of human development through the improvement of developmental and environmental conditions, generating sustainable development where it is key to seek changes in public policies, economic, technological and social factors. This book aims to analyze different contexts from micro to macro level relationships between development, growth, inequality, environment and human development, and evaluate what the actual conditions in emerging economies are and how developing new strategies could improve the well-being of developing countries.