The scientists behind the recently published study standing on a banded iron formation in the Isua region of Greenland. This geological site, known as the Isua supracrustal belt, is 35 kilometers long and is bordered by the ice cap. Photo : Claire Nichols 3.7 billion...
Not only has the water turned orange, but the shoreline areas and rocks have a rusty coating, which, when viewed from above, looks as if an industrial mine has been in operation nearby for decades. Photo: Roman Dial Streams and rivers in the undeveloped Arctic of...
You can’t tell by looking at it, but the Southern Ocean is highly productive thanks to a generally good availability of the micronutrient iron. Photo: Julia Hager Primary production in the Southern Ocean depends critically on the concentration of the...