The Fossil Fuels element is the 23rd element created in Elemental 4, which can be made by combining Natural Gas and Fire.
| Element | Number | Creation Date |
|---|---|---|
| Fossil Fuels | 23 | October 27th |
| Global Warming | 69 | October 28th |
| Climate Change | 141 | October 29th |
| Australia | 369 | November 15th |