New Coke billboard includes 3,600 Fukien tea plants. Each absorbing up to 13 pounds of carbon dioxide a year. A total of 46,800 pounds of carbon dioxide from the atmosphere. Question: how many of these billboard installations should be built globally to offset Coca Cola’s “footprint”? http://www.adweek.com/adfreak/coca-colas-green-billboard-made-plants-absorb-air-pollution-132966