Ecosystem- Food chains, Food webs and Ecological pyramids - (a) Forest ecosystem (b) Aquatic ecosystems (Ponds & Oceans). Field study of simple ecosystems– pond, river,hill slopes.

Introduction to biodiversity– Values of biodiversity– threats to biodiversity–endangered and endemic species of India – conservation of biodiversity: In-situ and ex-situ conservation of biodiversity. Field study of common plants, insects, birds, etc.,

Definition–causes, effects and control measures of: (a)Air pollution (b)Water pollution (c) Soil pollution (d)Noise pollution (e)Nuclear hazards. Field study of local polluted site–Urban/Rural /Industrial/ Agricultural.

Introduction – (a) Solar energy (b) Wind energy (c) Tidal energy (d) Geothermal energy (e) Nuclear Energy Field study of local area.

Sustainable development - Role of information technology in environment and human health – environmental protection Acts -Solid waste management and Rain water harvesting - E -waste and Concepts of Green Chemistry-Radiation hazards-Case studies.