 In 2010, Aguilera auctioned tickets for her planned tour for Christie's A Bid to Save the Earth, which benefited the non-profit environmental groups Conservation International, Oceana, Natural Resources Defense Council, and The Central Park Conservancy.Aguilera contributed US$200,000 to the Women's Center & Shelter of Greater Pittsburgh in December 2003, and was part of the Lifetime Television's "End violence against women" campaign.In 2005, Aguilera contributed "Beautiful" to the compilation album "Love Rocks", which proceeds benefited the Human Rights Campaign.