1. Urban Self Sufficiency
How can natural living
be brought into
Jacob Ortwein
Pusan National University
the city?

2. • Korean Problem
• Peggy and Jo
– History of Pun Pun “A Thousand Varieties”
Sustainable living and learning center
– Organic Farming
– Natural Building
– Appropriate Technology
• Urban Self Sufficiency
How can it be done in the city?

3. Massive scale
Ignore passive elements
• Problems
Busan, Korea
monotonous
No quality public space

4. • Who?
• Where?
• Why?
Jo, Peggy and Than
Changmai,
Thailand
Pun Pun
• Who?

5. Pun Pun
• Who?
• Where?
• Why?
• Where?
Changmai,
Thailand

6. Pun Pun
• Who?
• Where?
• Why? Seed Saving and Self Reliance

7. The Farm
• Pesticide FREE agriculture
• Animal manure as fertilizer
• Micro-organisms as growth
stimulator
• Organic Farming

8. Natural Building
• Passive Design
– Sun, wind, thermal mass, insulation
• Materials
– Earth, sand, fiber, stone
– Wood, Bamboo
– recycled leftovers
• Techniques
– Adobe
– Cob
– Straw bale
– Rammed earth
– Earthship
– Earth bags

9. Techniques

10. Adobe

11. Adobe Buildings at Pun Pun

14. Appropriate Technology
Simple technology to solve problems
• Typical Solutions
– Water
– Sanitation
– Energy
• Experiments
– Solar water heater
– Water collection
– Simple water filtration

15. Water
• Solar Water Heater

16. Water
• Rain water collection

17. Water
• Clean water
Iron subtraction filtration

18. Urban Self Sufficiency
How can we use natural techniques for urban living?
communityfarm
DIY DIY – product making

19. Busan
farm energy
Alternative buildingCommunity

20. Massive scale
Ignore passive elements
• Problems
Busan, Korea
monotonous
No quality public space

21. Busan
Used public space
Follow naturediversity

22. Set an example
“The best way to change the world is to change
yourself” - Ghandi
Renovate existing building with natural techniques.

23. СПАСИБО!
Contact: jvortwein@hotmail.com