Asian News International: A revised theory by a group of 10 prominent scientists has suggested that the level of globe-warming carbon dioxide (CO2) in the air has already reached the danger zone, and the levels must decline, not just stabilize. According to the scientists, the CO2 has probably already reached a point where world climate will change disastrously unless the level can be reduced in coming decades. The study, done by scientists from the United States, United Kingdom and France, is a …