Boards
Climate change vs spiritual rewards from seeing U2 live
http://www.guardian.co.uk/music/2009/jul/10/u2-world-tour-carbon-footprint
"The carbon footprint of this might be quite large, but the spiritual rewards to the audience of this are those that enhance a life," Mark Reed wrote in a review for the Final Word website. "If all life were bread and water, then there would be nothing to lift mankind above the amoeba."