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.
2010 Brooklyn College paper on the lessons that could inform future policy-making to avoid the repeat of similar crises.
2009 study commissioned by the New York City Department of Transportation analyzing trends and causes of pedestrian-related car crashes.
2010 study published in Nature magazine on the change in the level of oceanic phytoplankton activity over the last 100 years.
2010 study in the Journal of the American Medical Association on the impact of the Deepwater Horizon oil spill on the health of area residents and workers.