![Cargo ship at port in Cambodia.](https://resource-recycling.com/recycling/wp-content/uploads/sites/3/2019/07/cambodia-port-20190722-By-porjai-kittawornrat-shutterstock_1232153113-web.jpg)
The returned containers held a total of 3.2 million pounds of material. | porjai kittawornrat/Shutterstock
More Southeast Asian nations are sending contaminated recyclables back to their originating country, as governments in the region continue to grapple with higher scrap plastic and paper import volumes.