They often included ideas for changing entire ecosystems for humans to live on. These fictional explorations reflected humans desire to control the nature they lived in. Humans on earth have often changed their environments to help survive. This can be anywhere from agriculture to large scale infrastructure.

Astrophysicist Carl Sagan first proposed the scientific idea back in a 1961 Science Paper discussing the topic of terraforming the atmosphere of Venus with algae to reduce carbon dioxide and temperatures. This became one of the first