By 2030, 300 million people could be exposed to deadly heatwaves, with 600 million facing reduced quality of life. The Indo-Gangetic plains and southeastern coast are at highest risk. Food security hangs in the balance, with wheat yields in Punjab already down 20% due to early heatwaves. Power grids, strained by air-conditioning demands, risk more blackouts, hitting hospitals and schools hardest.

Slums are often vilified as urban scars, but what if they’re more than that? Slums like Dharavi are not just warehouses for the poor but vibrant economic hubs. With an annual turnover of over $1 billion..