Mongabay: Bjorn Lomborg, a Danish business school professor and author who has riled environmentalists by arguing that addressing climate change should be a lesser priority than global health and nutrition initiatives, is calling for a $7 per ton tax on carbon dioxide emissions, reports the Wall Street Journal. According to the paper, Lomborg says a carbon tax “could address what he calls a ‘market failure’ in the development of solar-power systems and wind turbines effective enough and cheap …