Now we can add whale urine to that list, according to a paper published in the journal Nature Communications. “Lots of people think of plants as the lungs of the planet, taking in carbon dioxide, and expelling oxygen,

A 2010 study from this same team dove into their poop, more specifically the whale ‘pump.’ Whales will feed deeper in the ocean and then come up to the surface to digest, rest, and poop. Their downward excrement then pumps critical nutrients and resources for plankton growth and into the water.