Where Would We Be Without Trees?  Learn about the importance of trees. Participants also learn about how trees prevent erosion, give us oxygen, and how we can save trees by recycling. Nov 23 from 12 to 12:45 and Nov 26 from 11 to 11:45 a.m. Cost $12 per child for non-members and $10 for Museum Members. Registration is required at  www.miSci.org or email . via online