Heat wave crisis in Europe

Western Europe is in the midst of a severe heat wave. The temperature in Paris was hovering close to 100 degrees Fahrenheit tonight. An estimated 45 people have already died in France as a result, many from drowning while trying to cool off. The World's Host Carolyn Beeler speaks with Isabelle Coll, an environmental scientist who says a lot needs to change to mitigate heat waves in France.