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spec: Yet it has left an enduring legacy of accountability to purchasers in economic terms such as efficiency , transaction costs and cost effectiveness . David 's vision of CPR for the Earth will live on as long people are inspired and moved to action by his life and what he stood for. EII has taken on the challenge of transforming David Brower 's bold vision of Peace On and With the Earth into reality by providing opportunities and support for " those who would save the Earth .