Symbrosia, a Hawaii-based startup with a seaweed feed additive that reduces livestock methane emissions by over 80%, has closed out its Series A funding round with $7 million. After two years of research on seaweed breeding and cultivation technology, Symbrosia has developed strains that are significantly more productive, potent and resilient than wild populations. The company will use the capital to scale production of these breakthrough seaweed strains by orders of magnitude and bring their livestock feed additive,…