The book, Environment, Security, Development, Consciousness and Global Peace by Sujoy Kumar Saha deals with the present day global threats on food security, water security health security, environmental security and developmental security, which are the major causes of concern for attaining the global peace. In the process, history and evaluation of science, philosophy and the religion has been dealt with in detail. Then the synthesis of science, philosophy and religion has shown that all these three different avenues of knowledge are interrelated inseparably. The detailed study of one and only one Consciousness and the Universal mind, to which individual minds are connected, tells us that the individual minds are to be nurtured and developed right from the childhood of the individual with the sole purpose of living peacefully right across the globe as a whole and the sustainability of the world. Lastly, the treatment of the Global Peace has shown the various means of attaining the Global Peace. The book concludes with the seminal knowledge of how to make a successful living of the human life before one departs from the world.