Solar-powered water wheel might help clean up Ala Wai
By Nina Wu firstname.lastname@example.org
Posted on August 8, 2016 12:05 am
Updated on August 7, 2016 at 7:04 pm
The Ala Wai Canal has for years been the butt of smelly-wastewater jokes, not to mention a collection point for cigarette butts and plastic litter that float in it before eventually flowing into the ocean.