After examining the college grounds I found out that the college has two environmental control measures implemented here which is an underground rainwater tank, insulation of most classroom ceilings and most lights automatically go out at 8pm.
Rain Water Tanks
Rainwater harvesting is when rainwater falling on the ground is being directed to storage tanks for non-potable purposes. Instead of letting the water to flow straight to drainages and lost during evaporation, it can still be used for clothes washing, gardening, and toilet flushing. The approach is useful in locations with less rainfall in a year (cibse.org, 2010). This approach encompasses a