Founder of The 5 Gyres Institute & LeapLab, Marcus' feedback, and comments are highly respected and well received. We are lucky to have his knowledge on our side! He has a new book out called 'Junk Raft' that everyone in this challenge should read!!
This is EXACTLY what the world needs. When we look inland for sources of plastic pollution we always arrive at plastic packaging used to deliver small quantities of goods. The design revolution we need begins with ideas like the Refill Depot.