nothing in today' world i a big a problem a that of population. people begin to worry about the upport capacity of the earth. and there might be only tanding room for each peron in the future.
lima' population wa 5. 7 million in 1985 but it grew to 9. 1 million in xx. tianjin' wa 7.9 million in 1985. in xx, it booted to 9. 7 million. uch citie a london, oaka, mocow, beijing, karachi, delhi, jakarta, eoul, and teheran are having a imilar population growth. calcutta, hanghai, new york, and to paulo ee a fater population exploion. tokyo had 18.8 million in 1985. in xx it turned into 20.2 million. mexico city had 17.3 million people in 1985, but in xx, it population reached 25.8 million!
what doe the population growth mean? it mean greater and greater conumption and greater preure for the earth. if more people are added to the world population without our being alert or taking any action, we would have only tanding room by the end of the 21t century.
each government and the un hould ee that population of each country and each city top growing for the next fifty year.