"ecoBall",
a Flash application, is available here
ecoBall is currently being used in the Wild Science program in the Washington D.C. Metro Area.
"While looking for innovative approaches to teaching students (mostly at-risk, inner city) about Sustainability Science and Environmental Awareness Issues, I found your ecoBall game ... Respectfully requesting your permission to use the game to ignite both interest and discussions about the above-referenced topics." (Kenniss Henry, Wild Science)