Pollution in Mexico City (IMAGE)
Caption
This photo of Mexico City, taken in 2006, was part of the MILAGRO or Megacity Initiative: Local and Global Research Observations field campaign led by the National Center for Atmospheric Research. Scientists around the globe, including atmospheric chemists at Colorado State University, are studying aerosols and their contribution to pollution in the atmosphere.
Credit
Sasha Madronich at the National Center for Atmospheric Research
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