| Views | |
| Nicholas School of the Environment | 6256 |
| November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | May 2013 | |
| Nicholas School of the Environment | 162 | 151 | 238 | 156 | 205 | 416 | 173 |
| Views | |
| United States of America | 3905 |
| China | 485 |
| Russian Federation | 105 |
| Japan | 97 |
| United Kingdom | 90 |
| France | 86 |
| Ukraine | 79 |
| Korea | 75 |
| Hong Kong | 73 |
| Canada | 65 |
| Views | |
| Durham | 979 |
| Beijing | 349 |
| Mountain View | 136 |
| Arnold | 118 |
| Chapel Hill | 93 |
| Seattle | 80 |
| Los Angeles | 71 |
| Raleigh | 71 |
| Kwai Chung | 70 |
| Redwood City | 70 |