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  • Having Your Desalination and Eating It, Too

    A pilot experiment in the Canary Islands seeks to recycle brine waste from desalination plants to grow hydroponic tomatoes. The leftover brine can be harmful for seagrass along the coast, so researchers looked into ways to create a nutrient solution that could be used to raise tomatoes. Though the yield of the tomatoes using the brine solution was lower, they did have a sweeter taste.

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  • Planting trees can create plastic waste. One teenager is changing that.

    A teenager in India came up with a solution to combat the plastic waste crisis that usually comes with planting trees. Srija created a biodegradable pot made out of groundnut shells that decomposes in the soil after 20 days. She’s working with an organization to scale her product, which costs just 27 cents to make.

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  • Minneapolis restaurants offer takeout food without a side of guilt for using wasteful containers

    A clean tech startup called Forever Ware created reusable, stainless steel containers for restaurants to use instead of single-use takeout containers. So far, four restaurants in Minneapolis are participating in the program, where customers pay a deposit for the container and can return it to any restaurant in the network. Within two months, the containers were used about 1,400 times, which probably cut back on some plastic waste ending up in landfills.

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  • India trashes 100 million tires a year. She turns them into playgrounds.

    Anthill Creations has built 275 "playscapes" across India, mostly using discarded vehicle tires as the affordable raw materials. In many parts of the country, children lack outdoor play spaces and toys to enliven their play. By "upcycling" some of the 100 million discarded tires the country generates annually and painting them bright colors, the 5-year-old project has benefits ranging from the environment to children's safety and happiness.

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  • How to reuse a demolished building

    A warehouse in Switzerland is being transformed into new creative workspaces. The catch: It’s being constructed out of reused building materials. About 70 percent of it is being made from old materials like wood floorboards, steel beams, and windows. A network of treasure hunters are on the lookout for used materials that can be used in constructing these buildings. The workspace is nearly complete and it already has tenants for all of the spaces. They were also able to cut the building’s carbon emissions in half.

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  • Mississauga company reduces electronic waste & offers computers to those who can't afford them

    Older electronics are being refurbished and redistributed to those in need by Renewed Computer Technology. The federally funded, Canadian nonprofit collected 13,500 computers and laptops last year for schools, libraries, and charities. RCT also provides steeply discounted electronics for economically disadvantaged families in addition to affordable high-speed internet access.

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  • New city program tackles big trash problem in Philly: clothing and electronics waste Audio icon

    A residential recycling program in Philadelphia is picking up electronics and clothing from homes for a fee. Retrievr has already prevented 100,000 pounds of waste from ending up in landfills. The program was implemented through the city’s Pitch & Pilot program which put out call for “solutions to reduce waste and increase waste diversion” in a bid to achieve Philadelphia’s goal of Zero Waste by 2035.

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  • How NYC Is Stopping Textile Waste With Low-Tech Donation Bins

    RefashionNYC provides bins for commercial and residential buildings with more than 10 units, though the Department of Sanitation, to recycle clothes and textiles. When full, the contents are sorted by Housing Works, who either sells donations in their thrift shops, sends them to other nonprofit second-hand stores, or exports them to overseas markets. Clothing that is too damaged to be donated is sold to companies that reprocess them as rags or seat padding. 1,300 bins have been installed and over 12,200 tons of clothing and textiles have been diverted from landfills.

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  • Towards a greener construction with fly ash bricks

    Fly ash bricks help reduce construction waste by utilizing the powdery by-product of burning coal. They are a green replacement for red clay bricks, which contribute to 5-15% of India’s emissions. They also utilize waste from coal-based thermal plants, which often gets disposed of by being dumped in water bodies and on roadsides. In comparison to red clay bricks, fly ash bricks are less expensive and the production process doesn’t emit smoke or use the more fertile top soil. Their use has been mandated by some regions and about 150 small fly ash enterprises have emerged.

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  • The Creative Repurposing of Plywood From Boarded-up Stores

    In the months after businesses covered their storefronts with plywood as cities erupted in social-justice protests, environmental and other community groups in many cities organized recycling campaigns to reuse the plywood rather than see it end up in landfills. Twin Cities Plywood Rescue in Minnesota, the heart of the protests, collected 642 sheets of plywood and donated it to nonprofits for use in building construction. Other cities' collections have ended up as voter registration booths, outdoor-dining furniture, and animal enclosures.

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