| ID | Interpret | Skladba | Album | |
| 1. | John Bellamy Foster | Ecology, capitalism and socialism | Climate Change Social Change Conference April 12th 2008 Sydney |  |
| 2. | John Bellamy Foster | Explopring the financial crisis | | |
| 3. | John Bellamy Foster | Ecology, capitalism and socialism | Climate Change Social Change Conference April 12th 2008 Sydney | |
| 4. | John Bellamy Foster | Marxism and the environment | Climate Change Social Change Conference | |
| 5. | John Bellamy Foster | Marxism and the environment | Climate Change Social Change Conference | |
