The module aims to provide the starting knowledge to understand nature's fundamental phenomena. Thereby develop students’ attitudes and qualities necessary to feel and value various functions of the natural ecosystems. The module covers different earth systems, the structure, and their functionality, interrelated nature of the earth systems, the concept of evolution, functional components of the ecosystems, principles of behavioral ecology, field excursion techniques, the concepts of environmental education, communication, and interpretation, the emerging global and local environmental issues that have emerged from anthropogenic activities and the concept of nature Nature-Based Solutions/Ecosystem-Based Adaptations (EBAs). Outside classroom activities will supplement the module to give hands-on experience in dealing with the natural environment.