Last year Sudarsan Pattnaik won the Jury prize in Copenhagen.
Sand artists from 17 other countries have participated in the festival.
Ghana won the Jury prize and Italy won the Artist prize.
Sudarsan Pattnaik, brand ambassador of NALCO said global warming affects the whole world.
Indian Sand artist Sudarsan Pattnaik won the grand prize at the prestigious Copenhagen International Sand sculpture festival in Denmark for his sculpture on environment.
Sudarsan Pattnaik, who is from Orissa, won the prize for his sand sculpture 'Go Green, Save Earth'.
Sudarsan Pattnaik created the 15 feet-high sculpture in 7 days for the festival.