Ocean plankton could suck up carbon dioxide in large quantities and bring it to the bottom of the ocean.
There’s no doubt that we have an urgent need to remove excess carbon dioxide from Earth’s environment. But how to achieve this task has science baffled.
“The idea is to augment existing processes,” said Hochella, a Laboratory fellow at Pacific Northwest National Laboratory. “Humans have fertilized the land to grow crops for centuries. We can learn to fertilize the oceans responsibly.”Currently, nutrients from the land are driven to the oceans through rivers and blowing dust to fertilize plankton. The research team had the brilliant idea of taking this process one step further to help remove excess CO2 through the ocean.
The researchers further argue that engineered nanoparticles offer several benefits: they could be highly controlled and specifically designed for different ocean environments and they could be tuned to meet the needs of specific ocean environments.A specific region might benefit most from iron-based particles, while others may find silicon-based particles more advantageous. Best of all, the materials would all be non-toxic.
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