A stack of phosphogypsum in Florida
By Earth Resources Observation and Science (EROS) Center
2003 (approx.)
Detailed Description
Fertilizer production generates phosphogypsum as a waste product. Five tons are generated for every ton of fertilizer. About 30 million new tons are generated each year. About 1 billion tons of phosphogypsum are piled up in 25 stacks across Florida. This photo shows a gypsumstack in Florida. USGS Land Cover Trends photo from 2003.
Sources/Usage
Public Domain.