CNNMoney.com

Oklahoma City residents used to 70-mile commutes are turning to carpooling as gas hovers at $4 a gallon. But with the largest land area of any U.S. city, providing public transit remains a major challenge.

As more and more Boomers begin to retire, builders are noticing increasing demand for home renovations and additions that will allow seniors to "age in place".

Eight states approved new measures to restrict the use of eminent domain on November 7th -- widely seen as a reaction to the U.S. Supreme Court decision in the case of Kelo vs. New London.

The planning profession squeaks past attorneys (despite paying less than half of lawyers' salaries on average), yet doesn't crack the top 25.

Sustainable living think tank SustainLane ranks the cities most likely to survive and thrive despite any potential oil crisis and spikes in gas prices.

A host of international factors could have prices rising to $262 a barrel.