MIDDLEBURY, Vt. ? Nationally acclaimed essayist and environmentalist Scott Russell Sanders will speak in Middlebury College’s Dana Auditorium, on Thursday, May 4, at 7:30 p.m. Sanders, a professor of English at Indiana University, Bloomington, will read from his recently released memoir, “A Private History of Awe,” published by North Point Press in February 2006. Dana Auditorium is located in Sunderland Language Center on College Street (Route 125). On Friday, May 5, at 12:30 p.m. he will facilitate a discussion on community, sustainability and the writing life in the Middlebury College Organic Garden on College Street (Route 125).