An organization based out of Pleasanton, California is working to green up schools. They call themselves the Go Green Initiative.
Mission Statement:

We believe…
~People care about protecting children’s health and safety through environmental stewardship.

~People will do the right thing when given trustworthy information, expert training and simple tools.

~People appreciate a program like the Go Green Initiative, which provides a framework for success, many options and the freedom to choose the options that work best for them.

~People want a panoramic, three-dimensional approach to environmental education, which will equip young people with the skills necessary to manage the environmental impact inherent in all activities.
The Go Green Initiative is a simple, comprehensive program designed to create a culture of environmental responsibility on school campuses across the nation. Founded in 2002, the Go Green Initiative unites parents, students, teachers and school administrators in an effort to make real and lasting changes in their campus communities that will protect children and the environment for years to come.