Achieving LEED certification can be a tall task for any apartment tower, but it's especially challenging for existing buildings whose owners have less flexibility than ground-up developers. Just ask Taylor Johnson client Waterton Associates, whose Presidential Towers - Chicago's largest rental community with 2,346 units - was awarded LEED EB-Silver last spring following a multi-year redevelopment. Waterton recently discussed the project with Sustainable Chicago, sharing how LEED certification for existing multifamily properties differs from other property types, and even other rental communities. You can read the full story here.