Question

what is major environmental impact on large cities​

Answer 1

$\huge\red{{Answer}}$

Automobiles exhaust produces elevated lead levels in urban air . Large volume of uncollected waste create multiple health hazards . Urban development can magnify the risk of environmental hazards ,such as flash flooding.

Answer 2

$\huge\underline\mathtt\color{aqua}Answer$

Cities consume increasing amounts of natural resources, produce more and more waste and emissions, and all this have an impact on the regional and planetary environment. Air and water pollution and waste are the main environmental problems in most cities.