The London startup Notpla has created a plastic alternative from seaweed that's biodegradable — and even edible. And it's hoping it could put a dent in the 300 million tons of plastic waste ...

To imagine the packages of the future ... Loliware, based in the U.S., makes FDA-approved edible (and therefore compostable) cups from seaweed mixed with organic sweeteners, flavors, and colorants.

Evoware co-founder David Christian said the idea of seaweed-based edible packaging was spurred by his desire to fight an explosion in plastic waste over the last few years in his home city of ...