Kerala floods—why it’s so hard to detect the fingerprints of global warming

The devastating floods in the Indian state of Kerala are a stark reminder of the vulnerability of the world’s most densely populated regions to weather and climate phenomena. In addition to the tragic loss of several hundred lives, widespread floods driven by unusually high and persistent monsoon rains have severely impacted the region’s fragile infrastructure and displaced more than a million people. Only in recent days has the Indian government been able to understand the full extent of an estimated US$3 billion worth of damage.