natural disaster
About 200,000 people have been forced to leave their homes, with heavy rains expected to continue.
The World Bank says countries are "woefully unprepared" for growing disaster risks.
New research reveals why December's bad storm turned into a record flood -- and how to prevent such a disaster in the future.
Keep an eye on the skies, Illinois--it's officially tornado season in the Midwest and other tornado-alley states, which usually runs between March and June. But over the past few years, more tornadoes have touched down in Illinois outside of this timespan than during the peak spring season.
