How Waste Incineration Works

November 5, 2019 by  
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In the U.S., there are two primary methods of garbage … The post How Waste Incineration Works appeared first on Earth911.com.

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How Waste Incineration Works

Earth911 Quiz #76: Where Does Your Garbage Go?

October 24, 2019 by  
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Challenge your knowledge about where your trash and recycled materials … The post Earth911 Quiz #76: Where Does Your Garbage Go? appeared first on Earth911.com.

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Earth911 Quiz #76: Where Does Your Garbage Go?

How Sanitary Landfills Work

October 22, 2019 by  
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More than half of the garbage generated in the United … The post How Sanitary Landfills Work appeared first on Earth911.com.

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How Sanitary Landfills Work

Understanding Where Garbage Goes

October 15, 2019 by  
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We call it many things: garbage, trash, rubbish, waste. The … The post Understanding Where Garbage Goes appeared first on Earth911.com.

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Understanding Where Garbage Goes

The Ocean Cleanup has first success collecting plastic from Great Pacific Garbage Patch

October 4, 2019 by  
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The Ocean Cleanup, a Dutch nonprofit dedicated to eliminating plastic pollution in the oceans, recently announced its first success. After years of trials that left its engineers scratching their heads over design challenges, the nonprofit’s newest prototype device has consistently collected plastic waste from the Great Pacific Garbage Patch . Following years of repeat returns to the drawing board, The Ocean Cleanup has finally experienced its first success of consistently capturing and collecting plastic, thanks to the self-contained System 001/B prototype. As an added bonus, not only was the prototype able to collect large, visible items but also microplastics as small as one millimeter. Related: Trash-collecting device returns to Great Pacific Garbage Patch “After beginning this journey seven years ago, this first year of testing in the unforgivable environment of the high seas strongly indicates that our vision is attainable and that the beginning of our mission to rid the ocean of plastic garbage , which has accumulated for decades, is within our sights,” said founder and CEO Boyan Slat. “Our team has remained steadfast in its determination to solve immense technical challenges to arrive at this point. Though we still have much more work to do, I am eternally grateful for the team’s commitment and dedication to the mission and look forward to continuing to the next phase of development.” The patch, located in the waters between Hawaii and California, is infamous as the area with the largest accumulation of plastic debris. As a trash vortex, its circular motion draws litter into itself, trapping all the junk into a concentrated mass. The hazards are compounded by the leaching out of noxious chemicals linked to health problems. Marine life is also harmed, with numerous reports of disruptions in feeding and migrating patterns, ultimately threatening species’ survival and reproductive success. The need to remove the plastic waste polluting the Pacific Ocean inspired Slat to establish The Ocean Cleanup in 2012. The nonprofit’s engineers have since been striving to develop a device to rid the ocean of the garbage. The various device prototypes employ a passive system that moves with the currents while catching plastic refuse. The nonprofit aspires to develop more prototypes in hopes of deploying a future fleet of ocean debris-collecting systems. The collected plastic will, in turn, be recycled onshore and sold to business-to-consumer (B2C) companies. The recycling revenue will be reinvested into the nonprofit’s expansion plans for further ocean waste management and sanitation. + The Ocean Cleanup Images via The Ocean Cleanup

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The Ocean Cleanup has first success collecting plastic from Great Pacific Garbage Patch

Nepalese volunteers clean 3 tons of trash from Mount Everest

May 10, 2019 by  
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Fourteen Nepalese volunteers collected three tons of garbage from Mount Everest in the first two weeks of their clean-up. The government-sponsored initiative is an effort to reduce growing amounts of garbage on the world’s tallest mountain. Nearly one-third of the garbage collected was taken by helicopter to recycling facilities in Kathmandu, while the remaining trash was sent to a landfill in the Okhaldhunga district. “The clean-up campaign will be continued in the coming seasons as well to make the world’s tallest mountain clean,” Dandu Raj Ghimire, Chief of the Nepalese Tourism Ministry, told Agence France-Presse. “It is our responsibility to keep our mountains clean.” Related: China closes Mount Everest base camp after overwhelming trash problem reports In 2013, the Nepali government implemented a deposit system , requiring every climbing team to bring back 18 pounds of trash per person or lose $4,000 USD. Even despite this expensive deposit, less than half of the hikers returned with garbage. In February, Chinese base camps in Tibet reportedly closed their doors to tourists, limiting visitor traffic to just climbers. In the last 65 years, 4,000 people summited Mount Everest, with 807 in 2018 alone. Thousands more hikers and tourists visit the base camps at the bottom of the famous mountain yearly. With climbing season kicking off around April, the problem of trash remains a rising concern on both the Chinese and Nepalese sides of the mountain. The rising temperatures is causing ice and snow to melt , revealing garbage that was previously hidden. Climbing guides and sherpas say the trash problem gets worse as you get closer to the 29,000-foot summit, likely because exhausted and oxygen-deprived climbers welcome the lighter load that comes with leaving things behind. Related: Mount Everest’s melting glaciers expose the bodies of long-lost climbers Under the melting snow , the volunteer clean-up crew has collected tents, climbing equipment, oxygen tanks, bottles, cans, human excrement and even four bodies of missing climbers. The crew hopes to collect at least 10 tons of garbage by the end of their six-week volunteer clean-up effort. Via Yale Environment 360 Images via Mike ( 1 , 2 )

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Nepalese volunteers clean 3 tons of trash from Mount Everest

Woman-Powered Ripple Effect Rows the Great Pacific Garbage Patch

June 4, 2018 by  
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In June, the only all-women team in this year’s Great … The post Woman-Powered Ripple Effect Rows the Great Pacific Garbage Patch appeared first on Earth911.com.

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Woman-Powered Ripple Effect Rows the Great Pacific Garbage Patch

Africa’s first waste-to-energy plant to supply 30% of Addis Ababa’s household electricity needs

February 22, 2018 by  
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Ethiopia ‘s capital Addis Ababa has had one landfill for around 50 years: the Koshe dump site. Serving over three million people, it’s about as large as 36 football pitches, according to the United Nations Environment Program (UNEP). A waste-to-energy plant, a first for Africa , could transform the site, burning around 1,400 tons of trash every day. Waste incineration is a popular energy source in Europe; there are 126 plants in France, 121 in Germany, and 40 in Italy, according to UNEP. But no plants have been constructed in Africa — until now. The Reppie Waste-to-Energy Project is designed to supply Ethiopia’s capital with around 30 percent of household power needs. To meet European standards, UNEP said Reppie “adopts modern back-end flue gas treatment technology to drastically reduce the release of heavy metals and dioxins produced from the burning .” Related: Dubai announces plans for world’s biggest waste-to-energy facility A BBC video posted this month said the waste-to-energy plant will generate three million bricks from waste ash, and 30 million liters of water will be recovered from the garbage. They said the plant will avert the release of 1.2 million tons of carbon dioxide . Hundreds of jobs will also be generated, including for people who depended on scavenging at the dump. For cities lacking a large amount of land, UNEP described waste-to-energy incineration as a quadruple win: “it saves precious space, generates electricity, prevents the release of toxic chemicals into groundwater , and reduces the release of methane — a potent greenhouse gas generated in landfills — into the atmosphere.” The government of Ethiopia partnered with renewable energy and waste management company Cambridge Industries , state-owned engineering company China National Electric Engineering , and Danish engineering firm Ramboll to build the plant. UNEP said last November it was set to start operating in January, though it appears they’re not all the way there yet; that said, the BBC video reported the plant is connected to the national power grid . + Reppie Waste-to-Energy Project + United Nations Environment Program Via the BBC Images via Depositphotos and Pixabay

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Africa’s first waste-to-energy plant to supply 30% of Addis Ababa’s household electricity needs

"Garbage emergency" declared in Bali as clean-up unfolds

December 28, 2017 by  
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The Indonesian island of Bali recently declared a “garbage emergency” in response to the overwhelming amount of plastic waste that has floated ashore and spoiled pristine beaches. “When I want to swim, it is not really nice. I see a lot of garbage here every day, every time,” said Vanessa Moonshine, a traveler from Australia told 24Matins . Although places in Indonesia have been described as “paradise on earth,” the nation of more than 17,000 islands has some work to do to reclaim its title and is mobilizing clean-up efforts to do so. Indonesia is the world’s second largest contributor to marine debris, outdone only by China , the most populous country in the world. In addition to degrading the beaches , plastic waste blocks waterways, impacting transportation and increasing flooding risk, while posing a risk to marine animals. The waste issue has become so debilitating that Bali officially declared a “garbage emergency” over a 3.7 mile segment of coastline last month, prompting the mobilization of resources. 700 cleaners with 35 trucks removed 100 tons of debris each day from the area, which includes the popular beaches of Jimbaran, Kuta and Seminyak. Related: Indonesia pledges $1 billion annually to tackle ocean pollution problem While economic concerns may have motivated this particular cleanup, the dangers of plastic waste are more insidious than loss of tourism. “Garbage is aesthetically disturbing to tourists, but plastic waste issue is way more serious,” I Gede Hendrawan, an environmental oceanography researcher from Bali’s Udayana University, told AFP . “Microplastics can contaminate fish which, if eaten by humans, could cause health problems including cancer.” Fortunately, Indonesia is taking action. The nation of 261 million has pledged to reduce marine plastic waste by 70 percent by 2025, in part by boosting recycling programs and reducing plastic bag usage. Local inventors have even created a type of biodegradable plastic made from seaweed , an abundant crop in Indonesia. Via 24Matins Images via Depositphotos (1)

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"Garbage emergency" declared in Bali as clean-up unfolds

We’ve made enough plastic trash to bury Manhattan under 2-miles of the stuff

July 21, 2017 by  
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Whether you get an iced latte to-go in the morning, your restaurant leftovers in a plastic takeaway container, or forget to take a reusable bags to the store, there are numerous ways  disposable plastic  adds up –   and that is a huge problem. According to the first global analysis of the production of plastics, humans now produce more plastic than anything else and, as a result, have created 8.3 billion tonnes of the stuff since the 1950s. If the trend continues, humans will eventually bury the planet in plastics, which require hundreds — if not thousands — of years to decompose. The study was published in Science Advances and unearthed some dizzying facts. For instance, around 79 percent of the plastic produced ends up in landfills, where it is simply buried and forgotten. Additionally, a large percentage of this waste goes into the oceans where it contaminates the environment , often times poisons or chokes wildlife, and breaks down into tiny pieces, which later collect in giant convergences such as the Great Pacific Garbage Patch . The study also found that only 9 percent of all plastics are recycled, and a further 12 percent are incinerated. “The only way to permanently eliminate plastic waste” is to burn or melt it down, the authors wrote . “Thus, near-permanent contamination of the natural environment with plastic waste is a growing concern.” For the study, the researchers looked at various kinds of plastics, from resin to fibers. They deduced that production has increased from around 2 million tonnes (2.2 m tons) a year in 1950 to an astonishing 400 million tonnes (440 m tons) in 2015. Plastic is now the most produced man-made material, with the exception of items such as steel and cement. However, unlike those two industrial materials which are put to use for decades, plastic is single-use, therefore, is most often discarded right away. The researchers make it clear that while it is not plausible to completely eliminate plastic from the modern world, production and use needs to decrease dramatically to benefit the ecosystem as a whole. “Most plastics don’t biodegrade in any meaningful sense, so the plastic waste humans have generated could be with us for hundreds or even thousands of years,” said Jenna Jambeck, who co-authored the study. “Our estimates underscore the need to think critically about the materials we use and our waste management practices.” The advice is spot-on, considering a recent paper found the micro plastics were present in every marine animal which was sampled in Australia — even those thought to be inaccessible. Related: Scotland bans plastic bags, spares landfill 650 million bags in just one year To reduce your dependence on plastic, you can buy whole, unprocessed foods and biodegradable soaps in bulk and keep them in mason jars at home, remember to take your reusable bags to the grocery store and farmer’s market and take advantage of thrift store offerings (or similar apps which connect you with second-hand goods) to reduce waste and needless packaging. Making this effort will help reduce the amount of plastic in the environment and, as a result, ensure a habitable environment exists for future generations. + Science Advances Via LA Times Images via Depositphotos and   Pixabay

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We’ve made enough plastic trash to bury Manhattan under 2-miles of the stuff

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