Harvard economist Edward L. Glaeser asserts that people living in cities, especially in the moderate weather of California, may emit relatively less carbon than those in suburbs (see: *Help the Environment, Stay in the City,* DCExaminer.com, Feb 11 - http://www.dcexaminer.com/opinion/Help-the-environment-stay-in-the-city-39422222.html#comments. Glaeser calls this the Green-Brown Paradox. Glaeser estimates the amount of carbon dioxide that an average household would emit from home heating, driving, electricity, and public transportation in cities versus suburbs. His major finding is that cities, especially in a moderate climate such as Southern California, emit relatively less carbon dioxide than suburbs. However, steering new development into coastal cities...