Chapter 3: The Beginning of Fossil Fuels
In the cycle of life, carbon is released from deceased living species. But does it always return into the atmosphere? No, sometimes carbon becomes trapped between rocks, slowly growing into deposits of carbon, oil, and natural gas. These resources may be considered renewable… if you can wait 100 million years.
Learn more about how carbon created fossil fuels in the third episode of Eni's Story of CO2 series.