| Category | Name | Where | When decaying | Note |
| Carbon | The sky is decaying: Airborne pollution related to carbon emissions and energy consumption | In the air/sky | Now | ICT, streaming, device productions etc are some major causes |
| E-waste | Agbogbloshie | Agbogbloshie, Accra, Ghana | Now | One of the bigget e-waste dumping grounds in the world |