http://www.climatecentral.org/news/as-calgary-floods-scientists-warn-of-rising-risks-16145
To think - I had aspiration of once living here. This reminds me a lot about New Orleans and Hurricane Katrina.
So, how did this happen? And why, you may ask?
The Answer ...
"A study published in the journal Nature Climate Change on June 9 found that flood frequency as well as the number of people at risk of inundation from flood events are both likely to increase as the world continues to warm.
"The physical science behind the findings is relatively simple: as the air and oceans warm, more moisture is added to the atmosphere, giving storms more water vapor to work with and wring out as rain or snow. Studies have already shown an observed increase in extreme precipitation events in parts of the Northern Hemisphere, including a large uptick in heavy precipitation events in the Midwest and Northeastern U.S. However, until the Nature Climate Change study was published, researchers had not yet been able to shed much insight on the changing contours of global river flood risk."
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