Phosphorus and nitrogen contribute to water pollution and cause harmful algal blooms. New research shows how mats of floating flower beds can take advantage of these nutrients while cleaning the water.
A worker cuts roses to be shipped to the U.S. and Europe at a flower farm in Madrid, Colombia, in August 2020.
(AP Photo/Fernando Vergara)
After a withered 2020 due to COVID-19, the flower industry is hoping to blossom. The industry, which remains far from sustainable, remains a multi-billion dollar operation.
Colombia is the world’s second-biggest cut flower exporter.
AP Photo/Fernando Vergara