How the Earth Turned Green: A Brief 3.8-Billion-Year History of Plants

Long before more infamous creatures such as T. Rex walked the earth, green organisms were the dominant life forms. Evidence suggests that chlorophyll, responsible for coloring these organisms, has been in existence for some 85% of the Earth’s long history. Ancient predecessors of today’s plants and the communities they formed are quite different from much of life today, but at the same time some incredible similarities have been retained.
How the Earth Turned Green traces the history of th...