Mammoth efforts to grow seaweed are springing up in the Philippines and beyond, and they’re in line for Elon Musk’s ‘largest incentive prize in history’. Meddling with the ocean to grow them, however, has some scientists troubled.
If one rogue nation decided to dim the Sun, what environmental and geopolitical consequences might unfurl? And is the safe deployment of such a technology even a conceivable goal?
