Prominent litterateur and Jnanpith awardee, Amitav Ghosh Friday inaugurated the three-day Tata Steel Bhubaneswar Literary Festival here and stressed on the need to arrest the effects of climate change. The author of The Nutmeg’s Curse, Jungle Nama, The Living Mountain and other well-known books, Ghosh, shared his concerns on the impact of climate change on the fragile eco-system of the region.