India, Pakistan, Nigeria and Ghana together host the largest number of cities at risk of extreme heat, with major tourist destinations including Jaipur and international business hubs in the top 50, according to an analysis that has ranked 205 of the world’s largest cities. The study analysed cities with a population of over one million. (Unsplash) More than 95 per cent of the most at-risk cities are in South and Southeast Asia and Sub-Saharan Africa. Iraq’s city of Al Basrah is the world’s most at-risk, followed by Ahmedabad in Gujarat, the study published in the journal Sustainable Cities and Society says, identifying places where people are most in danger as the planet continues to warm. Fourteen Indian cities that featured in the top 50 at-risk locations included Nagpur and Pune in Maharashtra, Madurai and Chennai in Tamil Nadu, Karnataka’s Bengaluru and Uttar Pradesh’s Kanpur and Lucknow. Lead author, Nethmi Jayaratne Kariyawasam, a researcher at the UK’s Oxford University, said, “It isn’t just exposure to hot temperatures that matters for risk. Our study highlights the importance …