urbanization

These state or local programs are becoming popular because they build connections between rural and urban residents in a divisive political climate.
How urban living can cap population growth and help conserve natural resources.
More than half of the people on the planet live in cities -- so it's more important than ever for countries to make a plan for sustainable growth.
A group of researchers combed through 10,000 data entries to create the first mappable record of human population changes, dating back to 3,700 B.C.
“You can put off building a highway or an airport, but you can’t put off nurturing a child."