Multimedia Gallery
November 26, 2007
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
South American pollution is being studied by scientists funded through the Inter-American Institute.
South American pollution and its interactions with megacities and climate are being studied by scientists funded through the Inter-American Institute.
Credit: Eduardo Behrentz, Universidad de los Andes, Colombia
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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Related story: NSF Awards Focus on Policy Implications of Global Change Throughout the Americas