Flow Light

"The constant prevailing wind on the coast is an ideal source for lighting. The product is a self maintaining public lighting for the coasts of Cartagena (Colombia) based on the principle of vertical wind power plants, and it is made of bamboo."

core 77 link: http://www.core77.com/blog/object_culture/igendesigns_wind-powered_flow_light_keeps_dark_spaces_safe_16232.asp

Their link:
http://igendesign.wordpress.com/2010/03/08/igenworks-flow-public-light-for-the-third-world/