ride green save earth. by tharanga dissanayaka from sri lanka

this sign design tell save energy ... design for innovative sign Bord tell ride green ,,,this may be lace on street ,,walkaway city main roads....also it may be very in size...also use reusable martial lie old aluminum window with glass.. and two design.. rotating fan that driven by urban ventilation... that fan may be smae dinmo that generate small amount of electrycity current that can be light up at al this design remind wht amount of energy we waste without using. night..