David Shreeve is the Director of The Conservation Foundation which he co-founded with David Bellamy in 1982. He is also the environmental adviser to the Church of England. Together with Claire Foster he is the author of Don't Stop at the Lights and How Many Light Bulbs Does it Take to Change a Christian?.

Read David Shreeve's blog.

Visit David Shreeve and Claire Foster's website

Find out about the Church's 'Shrinking the Footprint' initiative.

Claire Foster-Gilbert is founder and Chief Executive of the Ethics Academy, which teaches ethics using an innovative programme called The Hero's Journey. She is also Director of Development at St. Martin-in-the-Fields. She was for eight years policy adviser in science, medicine, technology and environmental issues to the Archbishops' Council of the Church of England Claire was also a member of the Church of England's Ethical Investment Advisory Group and the Government's Sustainable Development Education Panel. Claire's background is in theology, moral philosophy and environmental and medical ethics. She is currently a member of the Department of Health's Gene Therapy Advisory Committee and the British Medical Association's Medical Ethics Committee. Claire has published numerous articles, and edited and written several books, including Sharing God's Planet (Church House Publishing, 2005) and The Worlds We Live in (Darton Longman and Todd, 2005) She has her own consultancies The Ethical Dimension and The Environmental Dimension.