* Ultimately the net effect of all the relevant factors need to be considered before taking a final decision over the any matter.
* Cutting of trees is 2800 undesirable as it will lead to additional 61MT CO2 emissions per year.
* But metroIII shall eliminate a large number of cars and buses from road and their pollution which reduce the CO2 emissions by whopping 9907T per annum.
*...
more... In totality, Net effect is Metro is an environmental protection project which will reduce CO2 emissions and suspended particles from Mumbai.
* Denying environmental clearance to such projects is like being pound fool & penny wise.
* However, at least an equal number of trees should be planted at suitable location in lieu of removal of trees.