One marine cloud brightening trial was proposed across 10,000 square kilometers of the Pacific Northeast.
One planned seaweed farm would grow to 94,000 square kilometers in the South Atlantic, an area larger than Portugal.

One marine cloud brightening trial was proposed across 10,000 square kilometers of the Pacific Northeast.
One planned seaweed farm would grow to 94,000 square kilometers in the South Atlantic, an area larger than Portugal.
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Ocean alkalinity enhancement, artificial upwelling, and ocean iron fertilization would need to manipulate roughly 10% of the ocean's surface just to have any meaningful climate impact.