A green environment guarantees good health. A green environment means lower greenhouse gas emissions, healthy children and highermotivation to keep and stay in a healthy environment. Given that children spend two-thirds of their waking hours at schools, safety within and outside rooms, proper lighting and pure air quality are essentials that promote healthy living as they grow up.

An eco-friendly environment ensures reduced infections like asthma or other respiratory illnesses. Allergens and bacteria that bring about childhood illnesses are mostly associated with poor ventilation systems in schools. Appropriate ventilation can ensure air contaminants are kept out as freshair is let in. Clean air in classrooms is just an easier way to reduce spread of sickness. Schools have higher density of occupancy with students sitting close to each other. Clean air is a real benefit by reducing family cost on medication.

Energy usage is a greater part of a schools expenditure. Good lighting in schools lead to improved and better performance of students, it reduces off-task behavior of students. Natural light is one source of lighting that is appropriate for schools. Initially schools relied on natural light since the cost of electricity was high. Ever since the decline of electricity cost the amount of artificial light used in schools increased. Natural lighting reduces the schools energy consumption. Schools should also use energy efficient products because they consume less energy thus proving to be eco-friendly.