Can Ocean Energy Power Carbon Removal?
Atop the Caribbean Sea’s famously pristine waters floats a 5,000-mile-wide heap of rust-colored, brambly seaweed. When that seaweed, a form of sargassum, clumps up on beaches and decomposes, it emits hydrogen sulfide gas (also known as swamp gas), which smells like rotten eggs and, in high doses, can be toxic. For obvious reasons, this seaweed swarm is a huge problem for the Caribbean’s tourism industry and residents—and potentially for Florida, where the heap is headed next.
