Natan has been Rabbi of Shenley United Jewish Community for four years. He is the Environmental Liaison for the Chief Rabbi's Office and the Rabbinical Expert for the London School of Jewish Studies' Responsibility Unit.
From 2005 to 2008 he served as the Jewish Campus Chaplain for the southwest of England. Born and educated in America, he is passionately concerned with issues of environmental justice and global morality.
Harfiyah is a trustee of the Islamic Foundation for Ecology and Environmental Sciences (IFEES). She is also the editor of a collection of essays on Islam and the Environment and co-editor of the Muslim Green Guide to Reducing Climate Change. She works with people of all ages, delivering talks and workshops on sustainability to schools and universities. .
David is the Director of The Conservation Foundation, which he co-founded in 1982, and the Environmental Advisor to the Archbishops' Council of the Church of England. He has co-authored two Anglican books, "How many lightbulbs does it take to change a Christian?" and "Don't stop at the lights." He was awarded a Lambeth Degree in 2003 in recognition of his influence in helping the Church's understanding of environmental issues.