The range of what is practical changes with how something is valued. If kelp became a higher value crop for biological derived fuel, then some things not practi

The range of what is practical changes with how something is valued. If kelp became a higher value crop for biological derived fuel, then some things not practical today may become practical. For example, kelp may not grow in some areas because those areas are especially hospitable to the "Invertebrates that eat kelp include snails and shellfish such as crabs, sea urchins, and abalone." [0] If some of the increased value of kelp were directed towards decreasing those species then it might become practical to grow kelp there. 0. https://earthlife.net/what-eats-kelp/ https://earthlife.net/what-eats-kelp/