Millions of Americans — along with Asians and Europeans — are wilting during a stifling heat wave. The oppressive heat is not confined to the Sunbelt. It reached 100 degrees Fahrenheit in Boston and London last week and this week the Pacific Northwest bakes under the hot summer sun.
Arctic ice melts while drought dries out the Southwestern states and drains reservoirs in California. A toxic brew of heat and drought created the perfect conditions for the wildfires that rage widel...