Products donated for Earth Day

To coincide with the 40th anniversary of Earth Day (April 22), Christie's is launching a series of auctions benefiting eco-friendly charities and featuring some of the biggest names in fashion.

Just launched and running through May 6, The Green Auction: A Bid to Save the Earth is hosted by Charitybuzz and has over 200 lots, including experiences and products donated by Stella McCartney, Vera Wang, Nina Ricci, Gucci, Proenza Schouler, and more.