Humans May Be Accidentally Geoengineering the Oceans - Scientific American

As the saying goes, what goes up must come down—and, as it turns out, a lot of what goes up comes down into the world’s oceans. Iron particles, released by human industrial activities, are one example of a pollutant that goes into the atmosphere and eventually settles into the sea.

Humans May Be Accidentally Geoengineering the Oceans - Scientific American