Urban World Crossword

The process in which people increasingly move from rural areas to densely populated cities
Cities with more than 10 million inhabitants
An urbanized core region that consists of several adjacent cities or mega cities and their surrounding developed suburbs
An urban area of abandoned , vacant factories,warehouses,and resident sites that may be contaminated from past uses
Local heat buildup in an area of high population density
A dome of heated air that surrounds an urban area and contains a lot of air pollution
The design of cities in which tall, multiple-unit residential buildings are close to shopping and jobs, and all are connected by public transportation
The process of deciding the best use for undeveloped land in a given area
A patchwork of vacant and developed tracts around the edges of cities; contains a low population density
A city with a livable environment, a strong economy, in a social and cultural sense of community