Sustainability includes biodiversity, which includes wildlife, which includes birds, which includes one man’s obsession to see as many North American bird species as possible in a single calendar year. Ohio’s Greg Miller, one of three birders featured in the book and film “The Big Year” (Jack Black played him), headlines two free public events — a 10 a.m. bird walk and a 1:30 p.m. seminar called “My Big Year” — on Wednesday, April 10, on the Wooster campus of CFAES’s research arm, OARDC. Details here and here.