Amid growing flood disasters, a look at early warning system challenges

Flood disasters around the world are growing as climate change makes intense and erratic rainfall more likely. Early warning systems are a critical tool for people to know if they are in harm's way. Host Marco Werman speaks with Dr. Bayes Ahmed from University College London about how effective early warning systems are, what hurdles still exist to ensure those warnings are communicated and what disparities exist for those who are and are not warned.