This looks VERY interesting ideas on passive cooling. Plan to summarize. Zeer Pots are a ingeniously simple solution to refrigeration without electricity. I'm gonna experiment with that at home. Zeer pots sound perfect for camping. Photos included in the original post are helpful.
 | The Solar House: Passive Heating and Cooling |
For further information on zeer pots, please see the following sites:
http://www.rolexawards.com/laureates/laureate-6-bah_abba.html
http://www.slashfood.com/2006/09/28/how-cool-is-that-zeer-pot/
http://www.scidev.net/features/index.cfm?fuseaction=printarticle&itemid=315&language=1
| The Solar House: Passive Heating and Cooling |
 | Passive Low Energy Cooling of Buildings |