Environment: For thousands of years Indigenous people have caused significant changes to the natural environment through resource harvesting, farming, urban development, irrigation, controlled burning and deforestation.

1491: The Untold Story of the Americas is a docu-drama mini-series that brings to life the complexity, diversity and interconnectedness of Indigenous peoples in the Americas before the arrival of Columbus. Presented from an Indigenous-perspective through a blend of documentary and scripted drama, the series takes its audience on a journey along a timeline that dates from 20,000 years ago to 1491. The series is based on the book "1491: New Revelations of the Americas Before Columbus" by Charles C. Mann. Transcript available under Additional info tag.

Includes: Our Environment, Water Travel, Mound Builders, Terraces, Inuksuk, Medicine Wheels, Hohokam Canal System, Cultivated Farmland, and Fire Technology. .