Previous Work
Environmental Performance Index Work
| 2010 |  EPI: http://www.epi2010.yale.edu/ |
| 2008 |  EPI: http://epi2008.yale.edu |
| 2006 |  Pilot EPI: http://www.yale.edu/epi/2006epi.htm
|
Environmental Sustainability Index Work (predecessor to the EPI)
| 2005 |  ESI: http://sedac.ciesin.columbia.edu/es/esi/ |
| 2000 - 2002 |
 ESI materials: http://sedac.ciesin.columbia.edu/es/esi/archive.html
|
Towards a China Environmental Performance Index
| 2011 |  Towards a China Environmental Performance Index: http://environment.yale.edu/
|
Exploring Trade and the Environment:
An Empirical Examination of Trade Openness and National Environmental Performance
| 2010 |  http://envirocenter.yale.edu/programs/environmental-performance-management/exploring-trade-and-the-environment |