2010 RAND Corporation study on the cost of medical care attributed to California's failure to meet federal clean air standards.
2008 paper by Harvard University, Oregon State University, and the U.S. Department of Agriculture on the economic and policy drivers of national land-use change.
2008 U.C. Berkeley study looking at the effect of carpool lanes on the number of person and vehicle hours traveled.
2010 study examining the challenges of coordinating small-scale and large-scale endangered-species lists.
2010 study by researchers from the University of Delaware and Stony Brook University on the potential of large-scale wind-farm networks.
2009 study published in Environmental Science and Technology on the costs and potential benefits of substituting biomass for coal to generate energy.
2008 Brown University paper examining the extent to which highways could explain rates of suburbanization within the U.S.
2006 paper by the Brookings Institution exploring the potential for bias in the structure of metropolitan planning organizations.
2008 University of Missouri study exploring the potential for hydropower in reducing U.S. greenhouse gas emissions.
2010 study by the University of Maryland and other institutions on the long-term environmental impacts of mountaintop coal mining.