ENCORE: From kelp burgers to biofuel, some see a bright future for seaweed

Oceans, rivers and lakes are chock-full of thousands of underwater plants and algae collectively described as seaweed. Demand for seaweed — kelp, specifically — has exploded as scientists have confirmed its dietary benefits and its potential as a tool in the fight against climate change. From food to biofuel and everything in between, some experts believe this billion-year-old algae is the wave of the future.