Explore the modern phenomena of citizen science, with historical roots back to the 19th Century, and its geographic implications, narrated by geographer Joseph Kerski.  Citizen science–the gathering of scientific data by ordinary citizens–has only just begun to impact the volume and variety of data that can be used in a wide variety of fields–from transportation, human health, habitat monitoring, natural hazards, and more, but has already had great influence.  

Citizen science in action–in the field in Costa Rica.  Photograph by Joseph Kerski. 

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