It can be used to wrap sushi rolls or serve as a pestilent, sometimes smelly, nuisance for beachgoers. But is that really all seaweed is good for?

There has been a rising tide of interest in the best ways to use the versatile, ubiquitous aquatic plant, of which there are 12,000 known species. For several researchers and interested businessmen, many of whom are located in the Pacific Northwest, seaweed has the potential to save the world. It can replace concrete, plastic wrapping and even tastes like bacon when cooked the right way.

Concrete, just like seaweed, is everywhere. It fills in the cracks of the sidewalk, builds the foundation for skyscrapers and holds up monuments created thousands of years ago.

But cement, the key ingredient in concrete, is responsible for 8% to 10% of all wo

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