Global sea level is rising at more than twice the rate than at the start of the 20th century.

The Sentinel-6/Michael Freilich satellite will help to monitor and better predict sea level changes that affect coastal communities around the world: go.nasa.gov/3ftFjb6

Measuring the height of the ocean gives scientists a real-time indication of how Earth's climate is changing. The oceans absorb about 90% of the excess heat from the planet's warming climate.