Prime Minister Sheikh Hasina left for Switzerland on Tuesday to participate in the World Climate Conference-3. She took a regular flight of Biman Bangladesh Airlines bound for London at 8:45am, accompanied by Foreign Minister Dipu Moni, State Minister for Environment Hassan Mahmud, her press secretary Abul Kalam Azad, and daughter Saima Wazed Putul. The delegation was seen off at Zia International Airport by cabinet ministers, three military chiefs, and other high officials. Mahmud stated that Bangladesh would seek compensation from countries accountable for climate change. The World Meteorological Organisation is hosting a five-day summit starting on Monday with the theme 'Better Climate Information for Better Future'. The summit will continue until Sept 4. Bangladesh leads the 50-member LDC Group, comprised of countries most at risk from the effects of climate change due to emissions from developed countries.