For centuries, Asia’s great rivers—from the fertile Mekong delta to the ancient, spiritual flows of the Ganges—have defined the continent’s beauty, culture, and economy, standing as geological marvels and key travel destinations. But these powerful waterways have recently turned rogue: in a terrifying, synchronized pattern, rivers across South and Southeast Asia have burst their banks, delivering destruction on an unprecedented scale. Was this merely a historic bad year, or is the climate forcing a fundamental, permanent change in how these rivers behave? We connect our recent coverage to answer the urgent question: Why did the water rebel, and what does this mean for the future of Asia’s rivers and the millions who depend on them?