2011 Stanford and U.C. Berkeley study on global trends in transportation and how they may impact predictions about future carbon emissions levels.
2008 policy brief by the Rappaport Institute and Taubman Center on carbon dioxide emissions across metropolitan and suburban areas in the United States.
2011 report by the Prevention Institute examining the nutritional qualities of 58 children's products with front-of-the-package labeling.
2008 paper by researchers from Harvard, MIT and Northwestern University on the potential effect of climate change on nations' economic growth.
2010 study by Stanford University that seeks to quantify the effects of fertilizers and higher crop yields on greenhouse-gas emissions.
2010 metastudy by researchers from the University of Queensland on the findings from 35 different studies of speed cameras.
2010 study from the Transit Cooperative Research Program on recent streetcar systems and their impact on development and land-use patterns.
2010 study by Harvard, Princeton, the University of Adelaide, and the National University of Singapore on the environmental impact of a large set of countries.
2010 study by Nature Conservancy Center for Science and Public Policy on depletion across 18 Arizona watersheds and possible mitigation strategies.
2008 UC Santa Barbara and the University of Hawaii study on the effects of catch-share systems and their potential to reduce overfishing.