How Bidets are Saving the Planet, One Spray at a Time

June 14, 2018 by  
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Every day, we witness copious progress in technology, science, housing, … The post How Bidets are Saving the Planet, One Spray at a Time appeared first on Earth911.com.

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How Bidets are Saving the Planet, One Spray at a Time

Episode 125: The world’s largest EV maker, sustainable French fries, Intel’s water wisdom

May 18, 2018 by  
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In this episode, we riff on why BYD is such a BFD. Plus three different perspectives on conserving, recycling and restoring water.

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Episode 125: The world’s largest EV maker, sustainable French fries, Intel’s water wisdom

Spotlighting the bright business case for LED retrofits on Native American lands

May 18, 2018 by  
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Beyond energy savings, these projects can illuminate opportunities for economic development.

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Spotlighting the bright business case for LED retrofits on Native American lands

This groundbreaking new machine can recycle 220 pounds of diapers in a single hour

May 7, 2018 by  
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It takes hundreds of years for disposable diapers to decompose in landfills – but this new machine can turn 220 pounds of dirty diapers into clean, raw materials in a single hour. Sz-Chwun John Hwang and a team of researchers at Taiwan’s Chung Hua University built the machine as a pilot plant – and they’re planning to build a larger facility that can recycle 10 tons of used diapers in just one day. Disposable diapers are convenient but problematic Have you ever thought about the evolution of the diaper? You might be surprised to learn that the history of diapers goes back thousands of years, but disposable diapers have only been around since the 1960s. Diapers have evolved to be more effective and efficient. The disposable variety makes parents’ lives easier – they’re convenient, absorbent and gentle on babies’ skin. However, there is a huge downside to disposable diapers: the amount of waste generated from their use. In the U.S., it is estimated that 20 billion disposable diapers end up in landfills each year, and pathogens from solid waste contained in those diapers find their way into the environment. It can take hundreds of years for diapers to degrade in a landfill , and they release methane and other toxic gases into the air. If soiled diapers don’t end up in landfills, some companies choose to incinerate them, leading to an estimated 3428 kg of CO2 emissions per day, based on 10 tons of diapers per day. There is a need to reduce the amount of waste caused by disposable diapers, and companies and researchers are using technology to find innovative ways to recycle and reuse soiled diapers. Recycling disposable diapers Recycling diapers and other absorbent hygiene products might sound like a no-brainer, but the process has its complications — including cost-effectiveness and complex engineering. As technology advances, science can overcome these obstacles and make recycling disposable diapers a viable solution for reducing the amount of waste in landfills and harmful chemicals in the environment. Sz-Chwun John Hwang and his team have developed a diaper recycler that can make it easy for institutions — like long-term care facilities, day cares or hospitals — to give old diapers new life. The plan is simple: a specialized on-site washing machine sanitizes used diapers so they can be processed into reusable raw materials. The staff loads the machine with diapers and washes them with a disinfectant to destroy any pathogens. After the diapers are cleaned, the different materials (plastic, fluff fibers and absorbent material) are separated using stratification. This method uses less water than an average toilet, and the used water can be recycled on-site or easily disposed in the facilities’ existing drainage systems. The estimated carbon emission from this process is 35.1 kg of CO2 per day, based on 10 tons of diapers per day. After they are cleaned and separated on-location, the materials are taken to a central recycling center. The separated layers are transformed into new materials, which can be made into a range of products: plastic bags or trash cans from the plastic; new diapers, cardboard boxes or paper products from the fluff fill; and absorbent pet pads, desiccant or polyacrylate fiber from the absorbent material. In order for the product to be successful, the researchers had to make it user-friendly. If the process is too complicated or time-consuming, most people won’t bother with it. Hwang and his team designed the machines to make it easy for people to lift the diapers and load the machine. Diaper design must become more eco-friendly Hwang and his team are working with facilities to find new and inventive ways to recycle disposable diapers, and some other businesses are following suit. However, Hwang’s method stands out in that it focuses on making it easier for caretakers to collect the used diapers. Moving forward, diaper companies will need to partner with researchers to design the most effective and efficient diapers with a lower environmental impact. By finding innovative ways to reuse products and reducing the impact our waste has on the environment , we can help sustain our world for generations to come. + Chung Hua University Images via Chung Hua University , Hermes Rivera and Flickr

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This groundbreaking new machine can recycle 220 pounds of diapers in a single hour

How Allagash brews sustainable practices into its operations

March 16, 2018 by  
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From reusing carbon dioxide to the way it handles spent grain, there are many ways the craft beer maker is closing the loop.

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How Allagash brews sustainable practices into its operations

The science behind Tyson’s meaty new sustainability agenda

February 26, 2018 by  
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The company’s first CSO, on the job for less than a year, is moving quickly to tackle greenhouse gas emissions, water consumption and food waste.

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The science behind Tyson’s meaty new sustainability agenda

Avoiding the next Cape Town: Water strategy is a shared responsibility

February 26, 2018 by  
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As “Day Zero” approaches for the South African city, here are six essential steps for addressing scarcity.

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Avoiding the next Cape Town: Water strategy is a shared responsibility

For sustainability, digital infrastructure is everything

February 26, 2018 by  
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The best of live interviews from GreenBiz events. Leaders from GE, Intel and MWH explore smart tech for water and “endless” other applications.

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For sustainability, digital infrastructure is everything

In search of the next generation of sustainability leaders

February 26, 2018 by  
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GreenBiz’s third annual “30 Under 30” casts a global net for promising talent.

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In search of the next generation of sustainability leaders

This idyllic 15-acre farmhouse is the worlds second Living Building residence

February 21, 2018 by  
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A picturesque 15-acre farmhouse in Ann Arbor, Michigan was just officially crowned the world’s second “Living Building” residence by the International Living Future Institute (ILFI). The owners of Burh Becc at Beacon Springs , Tom and Marti Burbeck, spent five years working with a team of 20 designers, engineers, architects and sustainability experts to transform their 2,200 square foot home into an icon of truly sustainable living that gives more than it takes. The beautiful farmhouse, whose design was inspired by traditional Tuscan farmhouses, has a large living space of 2,200 square feet. Additionally, the property has a 2,400 square foot barn and workshop. The farmland had been previously depleted due to years of commodity farming. Following the Living Building criteria, the land was carefully revamped with permaculture farming methods using an integrated system of agriculture, horticulture and ecology, creating a system that will be regenerative for centuries to come. The Burbeck’s not only use these farming methods to grow their own food, but they also provide healthy food for the local community – and for those with limited access to fresh produce. Related: 9 of the most impressive Living Building Challenge certified projects To create a net-zero energy design , the home is equipped with clean energy generation through a 16.9-kilowatt solar array, which provides electricity to the home and back into the grid. Additionally, a passive solar system works with a very tight thermal envelope and a tall cooling tower to minimize heating and cooling needs. A closed-loop geothermal system provides radiant floor heating during the cold Michigan winters. For water conservation, the home uses a rainwater and snow harvesting system to be water net-positive . A rainwater collection system reroutes to supply 7,500 gallons of in-ground cisterns, used for non-potable water. An on-site well provides potable water at the moment to comply with local building codes, but the home is installed with a future-ready potable rainwater filtration system. After more than three and a half years designing the reformation, 18 months in construction and a year of performance auditing, Burh Becc at Beacon Springs Farm was awarded the Living Building Challenge certification in December 2017. Additionally, the home has been awarded a Platinum LEED Certification. When the Burbecks were asked why they took on such an ambitious project, they explained that it just made sense to their lifestyle. According to Marti Burbeck, “As we looked at the criteria for LBC certification we thought, why not go for it. If our goals include helping to change peoples’ relationship with the environment and to change building philosophies, we should start with our own project, and then become advocates.” Now that they’ve achieved their dream of converting Burh Becc into an icon of sustainability, they’re on their way to becoming advocates. The couple plan to host educational workshops and house tours to educate the community, the building industry, government officials, and anyone who will listen about the benefits of truly sustainable living. + Burh Becc at Beacon Springs + Architectural Resource Via CSR Wire Images via Burh Becc at Beacon Springs

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This idyllic 15-acre farmhouse is the worlds second Living Building residence

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