"Plant bamboo, save the world," says jeweler John Hardy. The Bali-based designer has made it his mission to show the world the wonders of the sustainable material, starting a bamboo-planting project on the island of Nusa Penida. Thankfully. he also recognizes on your
sleev, creating a limited-edition silver collection: For each large sterling bangle bought, 26 trees are planted. For the one-of-a-kind bamboo, coral, and citrine cuff pictured below, the number goes up to 130. 866-454-2739; johnhardy.com