The world will soon know more about carbon dioxideSINCE the start of the industrial age, the concentration of carbon dioxide in earths atmosphere has increased by about 25%from about 280 parts per million to over 370 parts per million. As concerns over climate change increase, scientists are being asked difficult questions about the extent to which carbon is being put into, and taken out of, the atmosphere. Precise answers to questions like these is necessary to reliably forecast changes in ear....
The Economist: News analysis and views
