Piling Up: How China’s Ban on Importing Waste Has Stalled Global Recycling

Posted by aclimaadmin | abril 29, 2019 | Noticias del Sector

China’s decision to no longer be the dumping ground for the world’s recycled waste has left municipalities and waste companies from Australia to the U.S. scrambling for alternatives. But experts say it offers an opportunity to develop better solutions for a growing throwaway culture.

It has been a year since China jammed the works of recycling programs around the world by essentially shutting down what had been the industry’s biggest market. China’s “National Sword” policy, enacted in January 2018, banned the import of most plastics and other materials headed for that nation’s recycling processors, which had handled nearly half of the world’s recyclable waste for the past quarter century. The move was an effort to halt a deluge of soiled and contaminated materials that was overwhelming Chinese processing facilities and leaving the country with yet another environmental problem — and this one not of its own making.

In the year since, China’s plastics imports have plummeted by 99 percent, leading to a major global shift in where and how materials tossed in the recycling bin are being processed. While the glut of plastics is the main concern, China’s imports of mixed paper have also dropped by a third. Recycled aluminum and glass are less affected by the ban.

Globally more plastics are now ending up in landfills, incinerators, or likely littering the environment as rising costs to haul away recyclable materials increasingly render the practice unprofitable. In England, more than half-a-million more tons of plastics and other household garbage were burned last year. Australia’s recycling industry is facing a crisis as the country struggles to handle the 1.3 million-ton stockpile of recyclable waste it had previously shipped to China.

Across the United States, local governments and recycling processors are scrambling to find new markets. Communities from Douglas County, Oregon to Hancock, Maine, have curtailed collections or halted their recycling programs entirely, which means that many residents are simply tossing plastic and paper into the trash. Some communities, like Minneapolis, stopped accepting black plastics and rigid #6 plastics like disposable cups. Others, like Philadelphia, are now burning the bulk of their recyclables at a waste-to-energy plant, raising concerns about air pollution.

Even before China’s ban, only 9 percent of discarded plastics were being recycled, while 12 percent were burned. The rest were buried in landfills or simply dumped and left to wash into rivers and oceans. Without China to process plastic bottles, packaging, and food containers — not to mention industrial and other plastic waste — experts warn it will exacerbate the already massive waste problem posed by our throwaway culture. The planet’s load of nearly indestructible plastics — more than 8 billion tons have been produced worldwide over the past six decades — continues to grow.

“Already, we’ve been seeing evidence in the past year of the accumulation of plastic waste in countries that are dependent on exporting,” says the University of Georgia’s Amy Brooks, a Ph.D. student in engineering and lead author of a recent study on the impacts of China’s import ban. “We’ve seen increased cost to consumers, closure of recycling facilities, and ultimately decreased plastic waste diversion.”

The recycling crisis triggered by China’s ban could have an upside, experts say, if it leads to better solutions for managing the world’s waste, such as expanding processing capacities in North America and Europe, and spurring manufacturers to make their products more easily recyclable. Above all, experts say it should be a wake-up call to the world on the need to sharply cut down on single-use plastics.

Over the coming decade, as many as 111 million tons of plastics will have to find a new place to be processed or otherwise disposed of as a result of China’s ban, according to Brooks and University of Georgia engineering professor Jenna Jambeck. However, the places trying to take up some of the slack in 2018 tended to be lower-income countries, primarily in Southeast Asia, many of which lack the infrastructure to properly handle recyclables. Many of those countries were quickly overwhelmed by the volume and have also now cut back on imports.

Prior to China’s ban, 95 percent of the plastics collected for recycling in the European Union and 70 percent in the U.S. were sold and shipped to Chinese processors. There, they were turned into forms to be repurposed by plastic manufacturers. Favorable rates for shipping in cargo vessels that carried Chinese consumer goods abroad and would otherwise return to China empty, coupled with the country’s low labor costs and high demand for recycled materials, made the practice profitable…read more.

Fuente: e360


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