MAINE ENVIRONMENTAL NEWS • November 7, 2025
There are more than 3,400 Tree Cities USA. To be a Tree City, the community must meet four standards set by the National Arbor Day Foundation and the National Association of State Foresters. The following communities in Maine have been designated Tree Cities USA: Augusta, Auburn, Bath, Bangor, Dover-Foxcroft, Farmington, Hampden, Kennebunkport, Portland, South Portland, Westbrook, Yarmouth.