Support WBURByproducts Of Urban Life Smother Chesapeake BayPlay06:01Download AudioElizabeth ShogrenDecember 24, 2009 ShareAnne Croft pets her cat, Wilhelmina, in her Washington, D.C., backyard. Croft fertilizes her lawn about once a year and keeps Wilhelmina inside for a couple of days after spraying the lawn. (NPR)