Climate change has doubled the odds of a mega-flood, and outdated risk models leave millions exposed in vulnerable regions ...

Across the American Northwest, enormous channels, cliffs, and ripple formations show clear signs of water moving at an almost ...

It starts to rain, and it doesn't stop. Day after day after day. The rivers keep rising. Mud, ash and burned logs from recent wildfires clog the rapidly-rising channels. Levees overtop or burst. Dams ...

Add Yahoo as a preferred source to see more of our stories on Google. Experts say it's only a matter of time before a mega-flood hits California displacing millions of people. This comes as the West ...

What can we expect in the worst-case scenario? In regions with a high risk of flooding, this is an important question: what extreme events should the protective measures be designed for? Often this is ...

Mega flood coming for California -- experts say it's a matter of when, not if. Experts say it's only a matter of time until a flood displaces millions in California.