A vision of hope -- The birth of an ecological technology -- Steps to a theory of ecological design -- The edge of the sea -- Restoring polluted waters ecologically -- Healing degraded streams and rivers -- The early evolution of restorer eco-technologies -- Lessons from the sea -- A plan to restore marine bays and salt ponds along the Atlantic Coast of North America -- Caribbean futures -- Solar and wind-powered workboats -- Cleaning up an ongoing oil spill with eco-machines -- Hope ships : Aeolian Age vessels for ocean education and marine pollution reduction -- Designs for southern Africa -- Appalachian spring -- Re-greening the earth : the challenge of the Sinai Desert.