We dump around 8 million tons of plastic trash in the oceans each year, and that might quadruple in a decade. Now, as giant ocean cleanup devices start to sweep through the water in an attempt to collect some of that plastic, a handful of companies are figuring out how to use it to make new products—like shoes.
In June, Adidas released a design for a new sneaker with an upper knit from ocean plastic. Now the design has gone a step further, with a midsole that's 3-D printed from the same material.
