Wanna be certified to prune trees in Baltimore? Come to Baltimore Unity Hall on Saturday, December 13 from 10 a.m. to 2 p.m. for TreeBaltimore's Introduction to Pruning class. It's free and open to everyone! Register here: https://www.treebaltimore.org/treekeepers-upcoming-classes Immediately following the class will be a pruning session near Baltimore Unity Hall in Bolton Hill or Madison Park.