Met Home Design 100

1 • Million Trees Initiative

The partners in this broad-based collaborative effort in Los Angeles and New York City range from parks departments and corporate sponsors to teams of well-organized tree-huggers and backyard gardeners. The plan is simple, visionary and ambitious: Transform, beautify and green our cities by planting one million new trees (MillionTreesNYC.org, MillionTreesLA.org). -- Susan Morgan