ScienceIcebergs can be emerald green. Now we know why.18 March 2019A weathered 'jadeberg' sails like an alien ship through the waters of Antarctica. Photograph by Stephen NicolPhotograph by Doug McVeigh/Australian Antarctic DivisionOnce thought to a product of microscopic marine life, like the algae colouring this ice, the green hue is now thought to be due to geologic processes. Photograph by Camille SeamanA green iceberg juts up through the snow near a group of Emperor penguins. Photograph by Peter Layt/Australian Antarctic DivisionBands of green and white ice give this jade berg an unusual appearance. Photograph by Stephen NicolScience
