J. Henry Fair is an American photographer and environmental activist, based in New York. With his images, Fair has called attention to environmental and political problems in different regions of the world. He is best known for his 'Industrial Scars' series, abstract-expressionist photographs of detritus and externalities, which has been been exhibited around the world at major museums, galleries and educational institutions. His work has been featured on The TODAY Show, CNN, NPR's Marketplace and WDR German TV, as well as in most major publications, including 'The New York Times', 'National Geographic', 'Vanity Fair', 'Rolling Stone', 'New York Magazine', 'Die Zeit', 'Le Figaro', 'Harper's', 'Smithsonian' and 'Scientific American'. Bill McKibben is an American environmentalist, author and journalist. He is founder and leader of the anti-carbon campaign group 350.org, an international environmental organisation with the goal of building a global grassroots movement to raise awareness about human-driven climate change, to confront climate-change denial and to cut emissions of carbon dioxide in order to slow the rate of global warming. He has authored a dozen books about the environment. He was awarded the Gandhi Peace Award in 2013. In 2009, 'Foreign Policy' magazine named him as one of the 100 most important global thinkers, and MSN named him one of the dozen most influential men of the year. He has been called 'probably the nation's leading environmentalist' by 'The Boston Globe' and 'Time' magazine book reviewer Bryan Walsh described him as the 'world's best green journalist'. Lewis Smith is a journalist specialising in science and the environment. After graduating from the University of Leicester, he worked on various local newspapers and as a freelancer for several national newspapers, including 'The Times' from 1998 to 2009. His main areas of interest are climate change and animal conservation and behaviour. His first book, 'Why the Lion Grew Its Mane' (Papadakis) was longlisted for the Royal Society Prize for Science Books in 2007. He published 'Why the Cheetah Cheats' (Papadakis) in 2009.