Guests to the Green Tie Affair were encouraged to wear green as a show of support for the Nature Conservancy, sponsor of the annual event. At this year’s celebration of nature, keynote speaker and National Geographic fellow Joel Sartore talked about his Photo Ark project, a 25-year documentary project to save species and habitat. His project meshes seamlessly with the aim of the conservancy — to maintain a world where the diversity of life thrives. See more photos at startribune.com/style.
