http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=534190&in_page_id=1770&ct=5

http://www.backyardaquaponics.com/

http://www.solare-bruecke.org/infoartikel/Papers_%20from_SCI_Conference_2006/21_wolfgang_scheffler.pdf

http://www.tinytechindia.com/renewableenergy.htm

http://www.solare-bruecke.org/projekte-Dateien/solarfridge.html

Algae bio-diesel

http://www.worldometers.info/

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solar oven/cooler
http://solarcooking.org/plans/funnel.htm

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battery

Sodium/ion battery - http://entropyproduction.blogspot.com/2007/10/sodium-ion-batteries.html
Peak lithium - http://www.evworld.com/article.cfm?storyid=1182