Environment theme  looks for solutions to environmental problems, water supply and sanitation, wastewater treatment and disposal systems, air pollution, solid and hazardous wastes, waste minimization, and life cycle assessment, environmental impact assessment and management.

Environment is the surrounding things. It includes living things and natural forces. The environmental theme looks for solutions to environmental problems, water supply and sanitation, wastewater treatment and disposal systems, air pollution, solid and hazardous wastes, waste minimization, and life cycle assessment, environmental impact assessment and management. Environment’ is basically including 3 sub-sectors which are described below. First sub sector focuses on natural resource management, biodiversity conservation, land degradation, Forestry etc. Natural resource management refers to the management of natural resources such as land, water, soil, plants and animals, with a particular focus on how management affects the quality of life for both present and future generations. The Second sub sector
focuses on industry, and waste issues, urbanization issues (waste to energy, resource efficiency, green growth and green economy, circular economy and sustainable consumption and production, waste reuse and recycling). Over all, the activities and action include waste management from its inception to its final disposal. This includes amongst other things, collection, transport, treatment and disposal of waste together with monitoring and regulation. It also encompasses the legal and regulatory framework that relates to waste management encompassing guidance on recycling. Lastly the Third sub sector focusses on water and wastewater, and sanitation – quantity and quality aspects (water use, reuse and recycling potential for achieving water security) – with a major focus on freshwater resources