Press Trust of India: A UN study, that examined possible consequences of global warming in the next 20 to 30 years, has identified India as one of the "hot-spots", particularly vulnerable to increase in extreme drought, floods and cyclones in the coming decades. Commissioned by the UN Office for the Coordination of Humanitarian Affairs and the CARE International, the study found that India, Pakistan, Afghanistan and Indonesia are the global warming hot-spot nations that are already facing considerable …