This apparent win-win situation has changed dramatically. China, which was importing several billion dollars’ worth of U.S. recyclables in 2017, announced a new policy, Operation National Sword, under which it would no longer permit the import of what it called “foreign trash.” The government stopped taking in other nations’ garbage partly because much of the material was not recyclable, and this was partly because of contamination. Pizza-box cardboard, for instance, is frequently contaminated by food residue, and plastic by dirty labels. As a result, much of the garbage that China imported was not recycled and ended up in landfills or incinerated. When Operation National Sword took effect in 2018, China insisted that it would accept only the noncontaminated recyclables that its manufacturers could use. As a result, the market for recyclables collapsed, and imports from the U.S. and elsewhere plunged. Read Full Article »