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ARS Home Office of Communications Images Photos Dec99





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{short description of image}Image Number K8674-1 An aerial view of the two CO2-gradient tunnels. In the tunnel on the left, plants grow under present-day to ice age CO2 concentrations, while those in the tunnel on the right grow under CO2 levels of today up to those predicted for 2050. Photo by Scott Bauer.   640 pixels wide: (k8674-1.jpg)   Please visit our Image Gallery


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