| ID | Interpret | Skladba | Album | |
| 151. | and also the trees | gore challenges bushlogic | |  |
| 152. | Fred Markert | God's Answer to Global Challenges | Belmont | |
| 153. | E. Beauchemin | Flatlanders Challenges of Immigration 3 | | |
| 154. | Fred Markert | God's Answer to Global Challenges | Belmont | |
| 155. | National Radio Project | #14-05 Queer Youth Challenges | Making Contact | |
| 156. | National Radio Project | #14-05 Queer Youth Challenges | Making Contact | |
| 157. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus | Dallas Seminary Chapel | |
| 158. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus (1 of 3) | Dallas Seminary Chapel | |
| 159. | Mark L. Bailey, Darrell L. Bock, and Stephen J. Bramer | Contemporary Challenges to Jesus (2 of 3) | Dallas Seminary Chapel | |
| 160. | WHYY | Economic Happiness | Radio Times with Marty Moss-Coane | |
| 161. | Dr. Jack Rasmus | Economic Earthquake | | |
| 162. | Earthwatch Radio | New Economic State | Earthwatch Radio series | |
| 163. | WHYY | Economic Happiness | Radio Times with Marty Moss-Coane | |
| 164. | Robert LeFevre | Economic Revolutions | Robert LeFevre Commentary | |
| 165. | Bill Creata | Economic Talk | Bill Creata 5 Minute Podcast | |
| 166. | WNYC, New York Public Radio | Economic Possibilities | WNYC's Leonard Lopate Show | |
| 167. | Robert LeFevre | Economic Revolutions | Robert LeFevre Commentary | |
| 168. | Greg Halseth | Challenges facing small towns | Redeye: Vancouver Cooperative Radio | |
| 169. | Yul Kwon '00 | How I Survived Survivor and other Professional Challenges | Dean's Lecture Series | |
| 170. | Dr Ngozi Okonjo-Iweala | Looking Beyond the Crisis: Challenges and Opportunities for Africa | LSE: Public lectures and events | |
| 171. | Gary Hart, Former U.S. Senator (D-CO), 6-15-07 | Future Challenges for U.S. National Security | Johns Hopkins SAIS Events - Summer 2007 | |
| 172. | Yul Kwon '00 | How I Survived Survivor and other Professional Challenges | Dean's Lecture Series | |
| 173. | Carnegie Endowment for Internal Peace | Migration Challenges in an Integrating World | Carnegie Endowment Podcast | |
| 174. | Drew Leder | Aging and Spirituality, Challenges and Opportunities | | |
| 175. | dLife - For Your Diabetes Life | Dealing with challenges in the school system | dLife Podcasts | |
| 176. | Common Ground Radio | UN Reform Series: Humanitarian Challenges | | |
| 177. | Greg Halseth | Challenges facing small towns | Redeye: Vancouver Cooperative Radio | |
| 178. | K@W BCG | Challenges Facing Procurement Organizations | Procurement | |
| 179. | Conceptual Guerilla | Limbaugh Challenges Obama To Debate | | |
| 180. | Rahul Roy-Chaudhury | Security challenges for a rising India | Wednesday Lunch at Lowy | |
