Seaweed cultivation is a subject that many people are interested in because it opens up new venues to solve many of our problems related to production of raw materials and food. Gloomy predictions about food shortages and resource depletion have all been put to shame by advances in technology, which have made agriculture ever more efficient, and pushed the limit of production and resource exploitation to new heights. It is a great example of how technology is the key to solve problems. All the nutrients that we put into our industries on land eventually end up in the ocean, too dissolved to be useful to us, too difficult and costly to recover and also changing the environment. Seaweed farming is a way of creating a filter to soak the nutrients up in the environment and close the loop, benefiting both the environment and human purpose. Cultivating the ocean is a logical step for securing the raw materials that we need for the future.