The birth of an ecological technology
Steps to a theory of ecological design
Restoring polluted waters ecologically
Healing degraded streams and rivers
The early evolution of restorer eco-technologies
A plan to restore marine bays and salt ponds along the Atlantic Coast of North America
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
Re-greening the earth : the challenge of the Sinai Desert.
