A single night of extreme rain brought Kolkata to a standstill. Overnight, the city was swamped by 251 mm of rainfall, the heaviest downpour since 1986. Streets turned into rivers, halting traffic, submerging buses, and forcing businesses and schools to close. Public transport was crippled — sections of the metro were shut, trains were suspended, and dozens of flights were cancelled or delayed.

Tragically, at least 8-10 people lost their lives by electrocution as live wires met waterlogged streets. Kolkata’s unprecedented deluge and its aftermath have exposed glaring vulnerabilities in urban infrastructure. It is a stark warning for all Indian cities — as climate extremities intensify, urban resilience is no longer optional, but an urgent necessity.

Why are cities drowning?

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