As part of the Massachusetts Horticultural Society’s “Thursday at the Hort” presentation program, hear Ann McGovern of the Massachusetts Environmental Protection Agency speak on Thursday, June 21, beginning at 7 pm at Elm Bank on the topic of Composting. “Thursday at the Hort” presentations begin at 7 pm and go until all questions are answered. The classes are priced at $12 for members and $15 for non-members unless otherwise indicated. There is no need to pre-register and you may pay at the class.  For more information visit www.masshort.org.