| web | Hollin Kretzmann | Center for Biological Diversit... | 2014-10-06 | |
| web | Tanja Srebotnjak and Miriam Ro... | NRDC | 2014-10-22 | |
| web | Louis Sahagun | Los Angeles Times | 2014-05-20 | |
| web | Ken Silverstein | Christian Science Monitor | 2014-04-11 | |
| web | Robert Gammon | East Bay Express | 2014-03-19 | |
| web | Intek | 2011-07-01 |