Powerful storm systems triggered flash flooding across the U.S. in late July, killing at least 25 people in eastern Kentucky as floodwater engulfed homes and set off mudslides.
Record rainfall also inundated St. Louis neighborhoods and another deluge in Nevada flooded the Las Vegas strip.
The impact of climate change on extreme water-related events like this is becoming increasingly evident. The storms in the U.S. followed extreme flooding this summer in India and Australia, and last year in Western Europe ..