North America Phenology Campaign - North America
North American Phenology Campaign

The North American Phenology Campaign focuses on monitoring and reporting plant phenology data and contributes to GLOBE's long-term environmental record. In this campaign, students will observe and report plant green-down and green-up, have opportunities to meet scientists, and share the results of their investigations.
Fall Dates: August to December Spring Dates: February to June
HOw to partcipate
New to GLOBE? Complete GLOBE eTraining
Complete the eTrainings for:
- Introduction to GLOBE eTraining
- Introduction to Biosphere
- Green Down (listed on the Biosphere page linked above)
Print your GLOBE Plant Color Guides
Find printable plant color guides or use the built in guide in the GLOBE Observer App.
Collect Your Data
Measure leaf color change twice a week by following the four quick steps on the Tutorials page or read the Green-Down Protocol.
Enter Your Data
Use the GLOBE Observer App or paper data sheets and Desktop Data Entry to share your data to the public database.
Educator Green-Down sequence
Navigate the phenology campaign using a sequence of six short activities to guide you through the fall. The guides include age-appropriate activities and data sheets.
- K-8 Educators GLOBE Green-Down Sequence (for grades K-8, ages 5 -13)
- 9-12 Educators GLOBE Green-Down Sequence (for grades 9-12, ages 14 -18)
Questions?
If you have any questions as you set up your site, select your trees, start to enter data, or anything else, please email us at usglobeoffice@gmail.com.