And quite frankly, it's very extreme. Moreover, many groups studying urban growth dispute FAIR's contention that immigration contributes to urban sprawl. In addition, environmental groups such as the Sierra Club and Scenic America say they don't want any help from immigration reform groups. Identifying the real causes of sprawl is our top priority. But FAIR insists there is a connection between immigration and unchecked development.
Population growth makes that more difficult.
We can't sit like ostriches with our heads in the sand any longer. CNN Correspondent Kate Snow contributed to this report. All Rights Reserved. Terms under which this service is provided to you. Read our privacy guidelines .