It’s that time of the year again! In the Northern Hemisphere, the chlorophyll in leaves are breaking down causing the green in leaves to disappear and allowing for orange and yellow colors to become visible. At GLOBE, we call this process Green-Down, and if you have not started collecting your Green-Down data yet, it's not too late*!
*If you are in the U.S., you can track the annual progressive changing of the leaves with this Fall Foliage Prediction Map from Smokey Mountains. (https://smokymountains.com/fall-foliage-map/)
The GLOBE Plant Color Guide
The Green-Down protocol is a fairly...
En savoir plus à propos de DIY GLOBE Plant Color Guide- a Fun Activity with Students »
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Investigation Areas:
Biosphere » Green-Up / Green-Down
Primary Audience:
Teachers