SBDR volunteer Roger Gatlin, a member of Pisgah Baptist Church in Excelsior Springs, Mo., shovels soot from Louisiana homeowner Fay McDowell’s fireplace so it can be sprayed with a mold preventative, Aug. 22, 2016, in Baton Rouge, La. McDowell is one of thousands of Louisiana residents whose homes were damaged by floods last week. (Photo by Carmen K. Sisson)