Global Change Education

Learning Activities: Green-Up Cards
Examples From the Bud Scale: Birch

Aspen | Birch | Willow | Grass Clump | Shrub Canopy | Landscape | Regional

September 29, 2001
Globe 2000 Learning Activities, Earth System Science

Back to Green-up/down Phenology Studies
Back to Global Change Education

The Website for National Science Foundation Grant No. ES1-9910219

Last Modified on May 20, 2002 by Sidney Stephens