The most colossal environmental disturbance in human history is under way.Ever-rising levels of the potent greenhouse gas carbon dioxide (CO2) are altering the cycles ofmatter and life and interfering with the Earth's natural cooling process. Melting Arctic ice andmountain glaciers are just the first relatively mild symptoms of what will result from thisdisruption of the planetary energy balance. In CO2 Rising, scientist Tyler Volk explains the processat...