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Smoke from wildfire (DI01568)
Lansford writes article on environmental pollution
Acid Rain Damage (DI01204)
Acid Rain Damage (DI01203)
Industrial Power Plant (DI01197)
Forest in Mexico (DI01206)
Acid Rain Damage (DI01205)
Pollution in Mexico City (DI01461)
Pollution in Mexico City (DI01467)
Pollution in Mexico City (DI01466)
Pollution in Mexico City (DI01465)
Pollution in Mexico City (DI01469)
Aerial showing pollution over Mexico City (DI01475)
Aerial showing pollution over Mexico City (DI01474)
Pollution in Mexico City (DI01472)
Pollution in Mexico City (DI01470)
Pollution in Mexico City (DI01471)
Pollution in Mexico City (DI01468)
Aerial showing pollution over Mexico City (DI01476)
Methane research:  forest burning (DI00039) Photo by Patrick Zimmerman

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