Tropical Storm Harvey has drifted back into the Gulf of Mexico after crippling Houston and is poised regain strength before crashing ashore again, this time on the Texas-Louisiana border.

In addition to its economic impact, Harvey prompted thousands of residents along the Texas coast to flee their homes and caused Governor Greg Abbott to declare an emergency.

More than 300 wildfires in British Columbia have forced Canadian lumber mills to shut as hot, dry weather sparked blazes across swaths of western Canada and the U.S.