(FILES) This file photo taken on June 12, 2021 shows shows pedalos sailing among the Marmara sea covered with sea snot, a jelly-like layer of slime that develops on the surface of the water due to the excessive proliferation of phytoplankton, gravely threatening the marine biome in the Darica district of Kocaeli, Turkey. – Climate change heats the seas, plankton are on the move –…