The Waterfalls have been designed to be sensitive to the environment, protecting fish and aquatic life by filtering the water through intake pools suspended in the river beneath each structure. The Waterfalls will also run on “green power”– electricity generated from renewable resources – and will be lit with LED lights. - See more at: http://www.publicartfund.org/view/exhibitions/5717_the_new_york_city_waterfalls#sthash.9mKNIBRJ.dpuf