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T.H. Culhane, co-founder of Solar CITIES, works on  his "solar bottle-bricks" experiment on the roof of the American University in Cairo. How to build your own Solar CITIES solar heater T.H. Culhane (right) and Omar Nagy (left) inspect the Solar CITIES hot water system on Hanna Fathy's roof in the Zabaleen neighborhood of Cairo. Culhane doing a "guerilla installation" of photovoltaics for Solar Plexus band member Peter Padua in Oceanside California T.H., Sybille and Kilian Culhane after finishing construction of Hanna Fathy's rooftop ARTI style biogas digestor in Cairo. How to Build your Own Solar CITIES brand HDPE Biogas Digestor
This cartoon was on the cover of the book "SolarGas" by David Hoye. It echoes the Sharp Solar slogan "Last time I checked nobody owned the sun!"

The goal of Solar CITIES is to give households the ability to solve as much of their own energy, food, water and waste challenges as possible, using the resources available to them. We also strive to give marginalized individuals a chance to participate as “green collar workers”  in the global “green economy” and empower families to form micro-enterprises in renewable energy, water and waste management  that can widen small scale solution sets to larger areas.
This way, nobody can claim to "own the sun" or tell us that a sustainable economy based on urban ecologies "isn't feasible".


  Solar CITIES -- Connecting Community Catalysts Integrating Technologies for Industrial Ecology Solutions

Solar CITIES is all about "connecting community catalysts integrating technologies for industrial ecology solutions" (hence the acronym “C.I.T.I.E.S.”) in areas of urban and rural poverty.  Founded by an urban planner and an educator, Solar CITIES  works at the household and community levels, training individuals, families and local organizations primarily how to build their own integrated solar hot water and kitchen-waste-to-cooking-fuel-and-electric-generator-fuel biogas systems as well as grey-water systems, composting systems, aquaponics and rooftop gardening systems, schmutzdecke water filtration systems and small-scale wind and solar electricity installations. 
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Who We Are

Solar CITIES co-founder T.H. Culhane is a National Geographic Emerging Explorer who has worked in sustainable development education and technology for 25 years in Indonesia, Guatemala, Mexico, South Central Los Angeles, Syria and Egypt.  Living in the urban slums of Cairo as part of his Ph.D. research he and partner Sybille Culhane developed and adapted ways of using local and recycled materials to provide solar hot water and biogas for themselves and then for friends and neighbors. The outgrowth was the formation of their NGO which now brings this tech-knowledge to poor communities around the world.  Besides conducting trainings in sustainable infrastructure development, the Solar CITIES team, in cooperation with UNESCO and National Geographic, makes presentations in schools and conferences and develops applied science educational materials that use new media, music and drama to make learning industrial ecology solutions relevant, fun and easy.


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In the News:
  • Sun & Wind Energy did a great job of capturing our work. Read the story here
  • CLICK HERE to listen to Solar CITIES Zabaleen project on National Public Radio, Weekend Edition with Liane Hansen
  • CLICK HERE to listen to Solar CITIES Al Azhar Park/Darb Al Ahmar project on National Public Radio, Weekend Edition with Liane Hansen
  • See us on ABC News talking about  Making Cairo's Garbage City Green
  • We had fun talking to Boyd Matson on National Geographic Radio on July 04, 2009 about our solar hot water project.
  • We had a great follow-up radio interview with Boyd Matson at National Geographic on February 27, 2009  during our trip to Alaska
  • Our Solar CITIES work was featured in the UCLA Graduate Quarterly Magazine
  • Sybille published an article on Solar CITIES "Uber den Dachern von Kairo" in Papyrus Magazine
  • Solar CITIES was featured as an  External Collaborator with the Aga Khan Trust for Culture in their annual report
  • T.H. Culhane's early experiments at the L.A. Ecovillage and in South Central L.A. ghettoes  were featured on "Living on Earth" with Alan Weisman
  • T.H. Culhane's early renewable energy work at the L.A. Ecovillage was featured in the Christian Science Mointor
  • T.H. Culhane wrote a chapter in Egypt, Energy and The Environment, Chapter 8: Solar Energy in Egypt: A Question of Behavioral Economics? AUC Press
  • Watch us on National Geographic's Wild Chronicles here.
  • See our music-video "Talkin' Trash" here.




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