Sarah Calhoun

National Geographic Young Explorer Grantee Sarah Calhoun is learning about the lives of local fishermen, hoping to develop a system to monitor the fishery of Lake Atitlan in Guatemala and help improve detection of potential toxins produced by cyanobacterial blooms. She hopes to help restore the lake to its former health and preserve traditional ecological...

  National Geographic Young Explorer Grantee Sarah Calhoun is learning about the lives of local fishermen, hoping to develop a system to monitor the fishery of Lake Atitlan in Guatemala and help improve detection of potential toxins produced by cyanobacterial blooms. She hopes to help restore the lake to its former health and preserve traditional...

    National Geographic Young Explorer Grantee Sarah Calhoun is learning about the lives of local fishermen, hoping to develop a system to monitor the fishery of Lake Atitlan in Guatemala and help improve detection of potential toxins produced by cyanobacterial blooms. She hopes to help restore the lake to its former health and preserve...

National Geographic Young Explorer Grantee Sarah Calhoun is learning about the lives of local fishermen, hoping to develop a system to monitor the fishery of Lake Atitlan in Guatemala and help improve detection of potential toxins produced by cyanobacterial blooms. She hopes to help restore the lake to its former health and preserve traditional ecological...