Although not all books bought are read, Amazon has used purchasing data to release their 2012 list of most "well-read" cities in the US.
Houston is just below Detroit and New Orleans as the major city with the lowest per capita GDP growth since 1978, despite rapid population growth.
The American Lung Association's annual "State of the Air" report scored Houston-Baytown-Huntsville as the eighth worst city in the United States for smog.
Houston ranked 57th out of 61 major metropolitan areas surveyed in the United States Peace Index 2012.
A new study explains how governments are wasting billions of dollars a year by not going green.
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