Seeing Pressures but Also Possibilities in Urban Growth 1

Soon more of us will be living in cities, than in rural areas.
Population experts at the United Nations had thought that would happen by this years.
Lately their estimate is that in 2008 for the first time in history, more than half of the world population will be in urban ares.
The United Nations Population Fund just released its yearly "State of World Population" report.
Researchers say 3 and a 3rd billion people will be living in the urban areas next year.
By 2030 the estimate is almost 5 billion.
The fastest growth will be in Asia and Africa.
Poor people will make up most of the urban growth.
And nature increase will be the main cause of that growth, not migration from the rural areas.
Report says mega-city is of more than 10 million people have not grown to the sizes once expected.
Most growth is expected instead in smaller towns and cities.
The experts urge goverment to improve social services and city planing policies, for example report calls for better land use so poor peaple do not have to live in slums.
Today an estimated 1 billion live in these often polluted and dangerous enviroments, 90% of the people are in developing country.