Environment Beneath Arctic ice, scientists find an ecosystem never imagined

Scientists report finding a massive bloom of phytoplankton hidden under Arctic ice, suggesting that, as the ice thins and melts, the region is becoming vastly more biologically productive. 

Lucas Jackson/REUTERS/File

Scientists have discovered a vast pea-soup-green bloom of tiny plant-like marine organisms under Arctic Ocean ice. The bloom represents an enormous, and until now, unknown reservoir of food for marine life in frigid waters at the top of the world.