How green is the Earth really?

This is the first map ever produced that shows the global output of plant fluorescence. That means you’re seeing the most realistic representation of healthy plant life across the entire face of the Earth.

This map is also a reminder of just how green our planet still is.

As part of their natural life cycle, plants convert light into energy in a process called photosynthesis. Essentially, they eat light. During this process, leaves emit a faint, reddish glow that scientists call plant fluorescence – and detecting it is a helpful way to measure the health of plants across wide patches of landscape. Learn more here.


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