Nation: The year 2007 has been the hottest ever in the history of climate record-keeping, according to a Japanese weather monitoring agency. It is now nearly universally accepted that the rise in global temperatures is caused by an increase in carbon dioxide that traps heat in the atmosphere. A lot of that colourless, odourless, incombustible gas has been pumped into the atmosphere by industries, particularly those in rich, developed countries. Industrialising developing countries such …