An urban area is an area where many people live and work close together. The population density is higher than in the surrounding area. Urban areas are usually cities and towns.
Urban life has had major effects on humans like; housing problems. People tend to move to cities and towns and if cities are not well prepared for the numbers, houses become scarce.Sometimes, existing sewerage systems may not have the capacity to treat waste. So instead, it is drained into the water sources endangering the health of urban dwellers. The rampant growth of the population in urban areas makes the water very scarce.