Why Florida's Indian River Lagoon matters -- and teams are trying to save it

The Indian River Lagoon is one of the most biodiverse habitats in North America. But years of pollution from fertilizers, leaking septic tanks and more has wrecked the environment and led to algae blooms, fish kills and even manatee starvation. That's why Brevard County's commission is once again asking voters to pass a sales tax to help pay to restore it. Learn more about this unique estuary.