American Forest Foundation. Project Learning Tree: Environmental Education PreK-8 Activity Guide. 2006

Association of Fish and Wildlife Agencies. Project WILD: K-12 Curriculum and Activity Guide. 2005

“Ecosystem Tag” (as adapted from Halton Children’s Water Festival)

“Invasive Species Simulation” (as adapted from Web of Life Game)
O’Leary, M., B. & Lindstedt, D. (n.d.). Accessed August 3, 2017 from

Kaufman, S., Schutsky, K., & Signell (2006). The ABCs of Ecology–an Educator’s Guide to Learning Outside. Saco, ME.

Locker, T. (1995-2001). Sky Tree: Seeing Science Through Art. Harper Collins