In the summers of 2006 and 2008, Hunter was invited to symposiums on creation care at Windsor Castle. He has since been named by Grist Magazine as one of the top 15 religious leaders in creation care, along with Pope Benedict XVI and the Dalai Lama.
Hunter's participation in creation care symposiums at Windsor Castle in 2006 and 2008 has been recognized by Grist Magazine as a significant contribution to the field of creation care, placing him among the top 15 religious leaders in this area alongside Pope Benedict XVI and the Dalai Lama.