Coast Guard, partner agencies identify mysterious sheen in Florida Keys as organic matter, not oil

Algae near Key West, Fla. U.S. Coast Guard photo. KEY WEST, Fla. – The Coast Guard, in conjunction with scientists from the National Oceanic and Atmospheric Administration and the Florida Fish and Wildlife Conservation Commission, have confirmed that numerous reports over the weekend of a mysterious mile-long sheen in the Atlantic Ocean off Key West was caused by an organic material and not oil. Samples...

Substances found off Carolina beaches not oil

WILMINGTON, N.C. — The Coast Guard has announced that the unknown substance in the water discovered by boaters in several locations off the North Carolina coast Wednesday has been identified Thursday as trichodesmium by the University of North Carolina Wilmington.