Edible algae

For centuries, it's been treasured in kitchens in Asia and neglected almost everywhere else: those glistening ribbons of seaweed that bend and bloom in cold ocean waves.

The red algae washed up on shores of Istanbul's Anatolian side is a sign of increasing pollution in the Marmara Sea, an expert has said.
"Algae piling up due to decreased oxygen levels with the effect of the dumped waste reveals the alarming pollution in the Marmara Sea," said Meriç Albay, Dean of Istanbul University's Faculty of Aquatic Sciences.