oh my- so 25 cities create just 0.0007% of the greenhouse gases which make up only 0.04% of the atmosphere? Golly- how horrible! Man’s contribution to greenhouse gas is just 0.00136% of the “greenhouse gases”! Way Way Way too little to do a stinking thing to the climate!
Seriously? Man’s contribution to greenhouse gas is 1.36 x 10**-3? That looks ignorable.