Plant life on land and sea over the year. From space, satellites can see Earth breathe. This NASA visualization shows 20 years of continuous observations of plant life on land and at the ocean’s surface across 20 years (1997 – 2017). On land, vegetation appears on a scale from brown (low vegetation) to dark green (lots of vegetation); at the ocean surface, phytoplankton are indicated on a scale from purple (low) to yellow (high); based on data from satellites; https://www.nasa.gov/feature/goddard/2017/the-changing-colors-of-our-living-planet