Hundred year ago there were people in the whole world .the population of the earth  in 2007 was about (6.5billion)scientist estimate that by 2050 it will have risen and near (10 billion)then this population create serious problem for environment.

Before three thousand year   ago most of the people lived in villages then environment problem so little in number most of the world  is  covered with forest then there is  no problem sewage at that there is not traffic on the roads our atm

In 18 century the industrial world burst upon society. every day number industrial plants pour out huge amounts of polluting smoke

In 18 century the industrial world burst upon society. every day number industrial plants pour out huge amounts of polluting smoke

Global warming

Our earth became much warmer and drier by that Pakistan also effect because Pakistan is borderline it could be very serious in the result of global warming polar ice will melt and sea levels will rise so we protect our environment 

osphere is not much full of smoke this smoke is result of increasing in factories vehicles