Look around you - what do you see? what do you hear? what do you smell? if you live in a city, you probably see many people. you hear the noise of traffic and you smell the pollution from cars and factories. we are entering a new time in the history of the world. before this, most people were farmers. they lived in the country. now many people are leaving the farms and moving into the cities. they are looking for jobs. the cities are growing very quickly. most cities are very crowed. people are driving more cars, burning more fuel, using more water, eating more food, making more rubish. life is becoming difficult. переведите
