Name: Change in Ragweed Pollen Season, 1995–2015

Display Field: Text_to_di

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Description: This figure shows how the length of ragweed pollen season changed at 11 locations in the central United States and Canada between 1995 and 2015. Data were provided by Dr. Lewis Ziska of the U.S. Department of Agriculture, Agricultural Research Service. Red circles represent a longer pollen season; the blue circle represents a shorter season. Larger circles indicate larger changes. For more information: www.epa.gov/climatechange/science/indicators

Copyright Text: EPA

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Spatial Reference: 102003  (102003)

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