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Klineberg said that as a city at the forefront of the country's demographic revolution, Houston offers a glimpse into America's future, and the survey's assessment of the city may offer important lessons for strengthening the rest of the country: create policies that moderate the inequalities, nurture a far more educated workforce, develop cities into environmentally and aesthetically appealing destinations, and empower all members of a multiethnic society.

New research focusing on the Houston area suggests that widespread urban development alters wind patterns in a way that can make it easier for pollutants to build up during warm summer weather instead of being blown out to sea.

Going the farthest distance might sound like a foot race. But this past weekend, it meant stretching the boundaries of fuel efficiency as student teams competed in the fifth annual Shell Eco-marathon Americas, a challenge for students to design, build and test fuel-efficient vehicles that travel the farthest distance using the least amount of energy. High school and university students from Canada and the United States competed in the two-day street course challenge in downtown Houston.

The Purdue Solar Racing team's solar-powered urban commuter car achieved the equivalent of almost 2,200 miles per gallon in the 2011 Shell EcoMarathon international competition this week in Houston.