waste management

It’s not just oceans: scientists find plastic is also polluting the air

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via The Guardian

plastic pollution
Photo by Vitaly Vlasov on Pexels.com

For several years scientists were puzzled why Delhi was more susceptible to thick smogs than other polluted cities such as Beijing. New research links this to tiny chloride particles in the air that help water droplets to form. Globally, chloride particles are mainly found close to coasts, due to sea spray, but the air in Delhi and over inland India contains much more than expected.

At first, the sources were thought to be illegal factory units around Delhi that recycle electronics and those that use strong hydrochloric acid to clean and process metals. These are certainly part of the problem, but new measurements have revealed another source.

Read the full story here: https://www.theguardian.com/environment/2021/feb/26/not-just-oceans-plastic-polluting-air-delhi-smog

Advanced recycling strategies needed to clean up plastic pollution problem, says expert

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via Phys.org

Sustainability across the entire value chain—rather than advances in technology alone—is required to solve the United States’ plastic waste problems, according to a new brief from Rice’s Baker Institute for Public Policy.

The report by Rachel Meidl, fellow in energy and environment at the Baker Institute, argues that the U.S., which is one of the largest contributors to global pollution and has among the lowest recycling rates, needs to improve the quality of its plastics and the economics of collection, sorting and waste management.

Read the full story here: https://phys.org/news/2021-02-advanced-recycling-strategies-plastic-pollution.html

Catalyst turns mixed plastic waste into natural gas

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via Chemistry World

Plastic waste can now be efficiently converted into methane using a ruthenium-based catalyst. The patented technology could help mitigate the planet’s growing plastic waste problem while producing methane for use as a fuel or chemical feedstock in a more environmentally friendly way than fracking.

Recovering chemicals and fuel from plastic waste streams is nothing new. Processes including pyrolysis and gasification, which break down plastics using high temperatures and catalytic processes, can recover useful materials. However, these approaches create several products, including waste, and require additional processing and purification.

Read the full story here: https://www.chemistryworld.com/news/catalyst-turns-mixed-plastic-waste-into-natural-gas/4013218.article

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    Oceana report says Amazon has a ‘plastic problem’, pollutes oceans with 22 million pounds of plastics per year

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    via Fox29.com

    Oceana analyzed e-commerce and packaging market data as well as a recent scientific report, published in Science about predicted growth in plastic waste and found that Amazon has a large and rapidly growing plastic pollution footprint.

    “Amazon has a plastic problem,” Oceana wrote in the report released on Dec. 15. “Oceana estimates that in 2019, up to 22.44 million pounds of Amazon’s plastic packaging has ended up in the world’s freshwater and marine ecosystems as pollution. This amount is roughly equivalent to a delivery van’s worth of plastic being dumped into major rivers, lakes, and the oceans every 70 minutes.”

    Read the full story here: https://www.fox29.com/news/oceana-report-says-amazon-has-a-plastic-problem-pollutes-oceans-with-22-million-pounds-of-plastics-per-year

    These solar-powered barges can scoop up 50 tons of plastic from rivers each day

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    via The Optimist Daily

    While removing the plastic waste that currently contaminates the ocean today will be crucial for protecting marine ecosystems, it is arguably more important that we stop any more plastic trash from entering the ocean. Fortunately for humanity, The Ocean Cleanup, a nonprofit taking on plastic waste in the ocean today, also has a novel solution for stopping plastic from entering it via rivers.

    The solution comes in the form of a solar-powered barge named the “Interceptor”. The 24-meter-long (78 feet) vessel resembles a large houseboat and uses a curved barrier to catch waste floating downstream. The trash, much of it plastic, is directed to the “mouth” of the barge — which operates autonomously and silently — from where it rolls up a conveyor belt and is dropped into dumpsters. Apparently, the Interceptor is capable of collecting up to 50 tons of waste a day.

    Read the full story here: https://www.optimistdaily.com/2021/01/these-solar-powered-barges-can-scoop-up-50-tons-of-plastic-from-rivers-each-day/

    Bali’s beaches buried in tide of plastic rubbish during monsoon season

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    via The Guardian

    Bali’s famous beaches are being strewn by plastic rubbish in what experts say is becoming an annual event thanks to monsoon weather, poor waste management and a global marine pollution crisis.

    Authorities are struggling to keep up with the tide of rubbish washing up on beaches at Kuta, Legian and Seminyak, where about 90 tonnes of rubbish was collected on Friday and Saturday.

    Read the full story here: https://www.theguardian.com/world/2021/jan/04/balis-beaches-buried-in-tide-of-plastic-rubbish-as-monsoon

    Plastic waste forms huge, deadly masses in camel guts

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    via Science News

    Marcus Eriksen was studying plastic pollution in the Arabian Gulf when he met camel expert Ulrich Wernery. “[Ulrich] said, ‘You want to see plastic? Come with me.’ So we went deep into the desert,” Eriksen recalls. Before long, they spotted a camel skeleton and began to dig through sand and bones.

    “We unearthed this mass of plastic, and I was just appalled. I couldn’t believe that — almost did not believe that — a mass as big as a medium-sized suitcase, all plastic bags, could be inside the rib cage of this [camel] carcass,” says Eriksen, an environmental scientist at the 5 Gyres Institute, a plastic pollution research and education organization in Santa Monica, Calif.

    Read the full story here: https://www.sciencenews.org/article/camel-eating-plastic-trash-waste-deadly-masses

    More than 1.56 billion face masks could end up polluting oceans: report

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    via CTV

    TORONTO — More than 1.56 billion face masks used in 2020 will make their way into our planet’s oceans, joining literal tonnes of other plastic pollution, according to an estimate by OceansAsia.

    The Hong-Kong based marine conservation organization released a report on Monday that details one of the devastating side-effects of the COVID-19 pandemic: the increase in plastic use and disposal.

    Read the full story here: https://www.ctvnews.ca/sci-tech/more-than-1-56-billion-face-masks-could-end-up-polluting-oceans-report-1.5221239

    Coca-Cola, Pepsi and Nestlé named top plastic polluters for third year in a row

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    via The Guardian

    Coca-Cola, PepsiCo and Nestlé have been accused of “zero progress” on reducing plastic waste, after being named the world’s top plastic polluters for the third year in a row.

    Coca-Cola was ranked the world’s No 1 plastic polluter by Break Free From Plastic in its annual audit, after its beverage bottles were the most frequently found discarded on beaches, rivers, parks and other litter sites in 51 of 55 nations surveyed. Last year it was the most frequently littered bottle in 37 countries, out of 51 surveyed.

    Read the full story here: https://www.theguardian.com/environment/2020/dec/07/coca-cola-pepsi-and-nestle-named-top-plastic-polluters-for-third-year-in-a-row

    MRF Summit: Despite pandemic setbacks, 2020 shows bright spots for recycling

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    via WasteDive

    Contamination, automation, globalization and federal engagement were all hot topics at last week’s 2020 MRF Summit, a joint virtual conference hosted by the Institute of Scrap Recycling Industries (ISRI) and Solid Waste Association of North America (SWANA).

    Despite the many pandemic- and economy-related challenges the industry has faced this year, SWANA CEO David Biderman highlighted numerous reasons for optimism and embracing opportunities. “The value of the recovered materials coming out of the back of a MRF is about double what it was at the start of year,” he said.

    Read the full story here: https://www.wastedive.com/news/mrf-summit-2020-recycling-robotics-pandemic-basel/589533/