Climate change and integrated sustainable economy are to dominate the agenda when the 41st commonwealth heads of government meeting begins at the twin islands of Trinidad and Tobago on Friday as the Commonwealth Business forum is meeting later this evening.In an exclusive interview to AIR correspondent Manikant Thakur at the Port of Spain, the High Commissioner of India in Trinidad and Tobago, Mr.Malay Mishra said that another highlight will be coming together of 32 small Caribean islands of the 53 member group.