Green gimmicks always fail. But like all leftist policies, that just means more money has to be put into making them work. The SeaPod, developed by the ocean-innovation technology company Ocean Builders, was meant to be the first of many pieces of “revolutionary blue technology,” the company’s mission statement says, meant to make “the 72% of the world that is covered in water into an eco-sustainable paradise.” The ultra-minimalist home has an 830-square-foot living space divided into three levels, featuring all of the home essentials including a bedroom, living room, kitchen, bathroom, and space for storage. It doesn’t state how...