In France, four nuclear reactors have been temporarily closed due to the heat. | Heat wave: #Portugal tames #wildfires; French cities ban cars, three cities banned the most polluting cars from the roads because of heat-linked ozone #pollution.  #FYI #ozonhttps://apnews.com/ba5152e8e35741eebb196374e73530d9¬†‚Ä¶