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This profile was last updated on 11/21/14  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. Mark Nelson

Wrong Dr. Mark Nelson?

Founder and Principal

Email: n***@***.com
Wastewater Gardens International
Wastewater Garden International 1 Bluebird Court
Santa Fe, New Mexico 87508
United States

Company Description: Wastewater Gardens International is committed to spreading WWG technology into the areas most in need: tropical so-called developing countries, ocean coastlines,...   more

Employment History

Board Memberships and Affiliations


  • Ph.D. , Environmental Engineering Sciences
    University of Florida
  • M.S.
    School of Renewable Natural Resources
  • Med , Sciences
    Dartmouth College
109 Total References
Web References
WWG - The Technology & Legal Compliance, 21 Nov 2014 [cached]
The WWG system was designed in conjunction with NASA scientists and managed and researched by Dr. Mark Nelson, a member of the eight person Biosphere 2 crew in charge of the water cycle within Biosphere 2. The wetland wastewater treatment system purified all sewage water (from laboratories, workshops, human residences, laundry, animals and agricultural operations.). The cycle of water being extremely accelerated within Biosphere2 (4 days instead of 3-4 years on Earth), the water had to be effectively treated and recycled in a healthy, ecological manner in order for this mini biosphere and its inhabitants to function well.
After leaving Biosphere 2, Dr. Mark Nelson, in collaboration with the Planetary Coral Reef Foundation (PCRF) and the Institute of Ecotechnics, working with the eminent systems ecologist, H.T. Odum of the Center for Wetlands at the University of Florida, further refined the WWG design to make it adaptable and available for application worldwide, in a wide diversity of ecosystems.
WWG - Our commitment, 12 Mar 2014 [cached]
Dr. Mark Nelson Nelson is Chairman and CEO of the Institute of Ecotechnics and Director of the Birdwood Downs project in West Australia since 1978. He was the former Director of Space and Environmental Applications for Space Biospheres Ventures (1985-94), and a member of the 8-person closure team in BIOSPHERE 2, 1991-1993, where he managed the constructed wetland used for wastewater treatment in the facility. He completed his doctorate in Environmental Engineering Sciences at the University of Florida, with a dissertation on subsurface flow wetlands in tropical coastal environments. Mark has worked for several decades in closed ecological system research, ecological engineering, the restoration of damaged ecosystems, desert agriculture, orchardry and wastewater recycling. He was a summa cum laude graduate from Dartmouth College, Phi Beta Kappa and is a member of Phi Kappa Phi, the honors engineering society.
Ms Cattin is the co. author with Mark Nelson of a training manual on the design and construction of subsurface horizontal flow constructed wetland as well as of a maintenance manual.
WASTEWATER GARDENS - CONTACT, 12 Mar 2014 [cached]
Dr. Mark Nelson Founder / Principal: Wastewater Gardens International 1 Bluebird Court Santa Fe NM 87508 USA
Mark Nelson | Biospherics [cached]
Mark Nelson
Mark Nelson
Founding director of the Institute of Ecotechnics.
Dr. Mark Nelson was a founding director of the Institute of Ecotechnics and has worked for several decades in closed ecological system research, ecological engineering, the restoration of damaged ecosystems, desert agriculture and orchardry and wastewater recycling. He is Chairman and CEO of the Institute of Ecotechnics (, a U.K. non-profit organization, which consults to several demonstration projects working in challenging biomes around the world; Vice Chairman of Global Ecotechnics Corp. (, head of Wastewater Gardens International.
Mark has helped pioneer a new ecological approach to sewage treatment, "Wastewater Gardens®" which are constructed subsurface flow wetlands with high biodiversity and has created over 90 such systems in Mexico, Belize, Bali & Sulawesi, Indonesia, West Australia, France, Spain, Portugal, Poland, the Bahamas, the Philippines, Algeria and the United States since 1996 (
He served as Director of Space and Environmental Applications for Space Biospheres Ventures, which created and operated Biosphere 2, the 3.15 acre materially closed facility near Tucson, Arizona, the world's first laboratory for global ecology ( Dr. Nelson was a member of the eight person "biospherian" crew for the first two year closure experiment, 1991-1993. His research inside included litterfall/decomposition in the tropical biomes, population dynamics and biomass increase, sustainable agricultural system, and constructed wetland sewage treatment system.
Beginning in the 1970s, Mark worked in the high desert grassland south of Santa Fe, New Mexico where he made hundreds of tons of compost, planted over a thousand fruit and windbreak trees, creating an oasis in previously overgrazed and eroding country. Since 1978 Mark has worked in the semi-arid tropical savannah of West Australia where he helped start Savannah Systems P/L a project centered on the pasture regeneration and enrichment of a 5000 acre property in the Kimberley region.
Publications include co-authoring "Life Under Glass" and "Space Biospheres", editing "Biological Life Support Technologies: Commercial Opportunities" and numerous chapters in books on space life support systems. His research papers include ones on ecological hierarchy, wastewater recycling through the use of constructed wetlands, and applications of closed ecological systems. Dr. Nelson was a Contributing Editor of the journal, Life Support and Biosphere Science from 1993-2002, Vice Chairman of the life science sessions on Closed Ecological Systems for COSPAR (the International Committee on Space Research of the ICSU) and a Guest Editor on the topic for the journal Advances in Space Research.
Mark's educational background includes a Ph.D. in Environmental Engineering Sciences from the University of Florida. His dissertation involved the creation of experimental Wastewater Gardens® for protection of groundwater quality and coral reef health along the coast of Yucatan, Mexico. His M.S. was in the School of Renewable Natural Resources, University of Arizona; and his B.A. in Philosophy/Pre-Med Sciences was from Dartmouth College. Mark was a summa cum laude graduate from Dartmouth, Phi Beta Kappa and is a member of Phi Kappa Phi, the honors engineering society. Mark was awarded the Yuri Gagarin Jubilee Medal, 1993 for outstanding service to international cooperation in space and the environment by the Russian Cosmonautics Federation; and elected a Fellow of the World Academy of Arts and Sciences (2008), Fellow of the Explorers Club (1994) and a Fellow of the Royal Geographical Society (2001).
Nelson, M.: The Biotechnology of Space Biospheres, presented at Space Life Science Symposium, Yokohama City University, Yokohama, Japan.
IDEP Foundation | Yayasan IDEP - Meet The Team, 12 Mar 2014 [cached]
Mark Nelson - The Institute of Ecotechnics
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