Leo Hickman is a features journalist and editor at the Guardian newspaper in London. He writes a weekly column about ethical living and is the author of A Life Stripped Bare: My Year Trying to Live Ethically (2005), A Good Life: The Guide To Ethical Living (2005), The Final Call: In Search of the True Cost of Our Holidays (2007), and the children’s book Will Jellyfish Rule the World? A Book about Climate Change (2009).

Leo can be contacted via Facebook, email (leo dot hickman at guardian dot co dot uk), Twitter (@leohickman), or by leaving a comment on this page.