Extreme heat threatens the lives and livelihoods of millions worldwide. A recent World Bank report notes that increasing temperatures will reduce 800 million people’s living standards.   India’s large cities are at special risk; 24 of the 100 largest cities with summer high…

Increasingly common extreme weather events like drought, cyclones, floods and extreme heat are taking a toll on India’s cities—but nowhere are people more vulnerable than in the country’s densely populated urban slums.   About 65 million people are estimated to live in such…