PROYECT: Why does the expansion of a city imply the destruction of its environment?

        WHY DOES THE EXPANSION OF A CITY IMPLY THE  DESTRUCTION OF ITS ENVIRONMENT? The expansion of a city implies the destruction of the environment for many reasons which can be: 1 . the felling of trees 2 . non-renewable resources are depleted 3 . the misuse of toxic elements that imply being used for the construction of a building, house, etc. This for many years has been the cause of the death of animals in extinction way and the low production in agricultural elements for the destruction of the soil. Nowadays there are companies and people that fight for the preservation of the environment and not the destruction of this, many projects can endanger the life either of the fauna and flora one of these projects is an avenue ALO (longitudinal avenue) the which it was proposed to pass as an ecosystem of the yellow Juan Bog wetland, without taking into account the ecological damage it could cause.        POSSIBLE SOLUTIONS 1 . Carry out environmental awareness ca