Algae/phytoplankton tend to sink to the bottom of the ocean and become a long-term carbon store when they die anyway. That's how much of the oil and gas we're b

Algae/phytoplankton tend to sink to the bottom of the ocean and become a long-term carbon store when they die anyway. That's how much of the oil and gas we're burning today was formed in the first place. No need for elaborate training of whales :)