For Justin Vernon, there's more to gardening than growing plants. His rooftop garden, one of the many cropping up on the Brooklyn skyline, is part of a broader shift in environmental consciousness. The moment he started thinking of the planet as a living entity, Justin couldn't wait to get some seeds and get down to business. Now, with the Gaia philosophy informing his approach, Justin raises food and flowers in a tranquil space far above the noise and grime of the streets below.