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  • Indigenous Food Sovereignty Movements Are Taking Back Ancestral Land

    More and more Indigenous communities throughout North America are reclaiming their ancestral lands as a way to access traditional foodways. For example, a group of Mi’kmaq tribes in Nova Scotia bought a majority share in one of the largest seafood businesses on the continent, allowing them to use the company’s fishing licenses to harvest more scallops, lobsters, and crabs. The Quapaw Tribe in Oklahoma is restoring their land that had been polluted by mining. Under the Quapaw Cattle Company, they are able to sustain more than 1,000 cattle and bison as well as growing two crops.

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  • Can California's Organic Vegetable Farmers Unlock the Secrets of No-Till Farming?

    A trial experiment with three farmers and several California universities is looking to better understand how to farm with little or no chemicals. No-till farming can boost soil health and better store carbon, but it’s not a perfect system. These farmers are testing how to reduce soil disturbance, use cover crops, and diversify their species of crops, yet so far, they haven’t found much success. “Figuring this all out has been ‘a school of hard knocks,’” says one of the farmers.

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  • The secret ingredient in Paris' green public housing

    Paris Habitat, the city’s main social housing agency, used hempcrete — a concrete-like mixture of hemp, lime, and water — as insulation in one of its apartment complexes. This material helps maintain temperature and reduces a building’s energy use and greenhouse gas emissions. The cost of using hempcrete can be expensive but making the material is more environmentally friendly, and has shown that it can be implemented for affordable housing and not just for those who already have the means to pay for it.

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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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  • 'Virtual rangers' help South African reserve keep poachers away

    Over 55,000 people have become “virtual rangers,” helping to protect South Africa’s Balule Nature Reserve from poachers. Officials at the reserve teamed up with Samsung and Africam to increase the ability to keep watch over the park, which is home to some of the most vulnerable animals to poaching, including rhinoceros, leopards, and elephants. Camera phones, held in protective cases, are mounted around the reserve and stream images to “virtual rangers” worldwide who have already reported hearing gunshots, which could indicate the possibility of poachers, and seeing trapped animals needing rescue.

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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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  • The mechanical stomach powering homes by digesting old food scraps

    The electricity powering 3,000 Perth homes might have started out as moldy bread and rotting lettuce. The city of Cockburn collects food waste from supermarkets and restaurants to be fed into a mechanical "stomach" that converts the waste to energy. Methane is trapped and used to power electric generators. The remainder of the "digested" food is turned into compost and liquid fertilizer. The operation has recycled 43 tons so far, removing 81,000 kilograms of gases that otherwise would escape landfills and warm the atmosphere.

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  • Simple hand-built structures can help streams survive wildfires and drought

    Conservationists, government agencies, scientists, and landowners are working together to restore streams using low-cost solutions from sticks, stones, and even beavers. Restoring these floodplains is important to help communities combat drought and wildfires. In Idaho, scientists relocated nine beavers to Birch Creek so they could help repair the dried-up stream. In three years, the beavers built dams, which helped the creek flow for longer in the summer. This method might not work everywhere, so scientists have also tested stone structures, which also proved effective at improving the ecosystem.

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  • What Went Into Building Europe's Largest Floating Solar Park

    Evides Waterbedrijf, a drinking water company, created Europe’s largest floating solar park. They installed almost 3,000 solar panels on an island in the middle of a reservoir that allows it to move with the sun to maximize its energy. This setup generates about 15 percent of the electricity the company uses at the site.

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  • Turtle conservation hits the SPOT in North Cyprus

    Thanks to efforts by the Society for the Protection of Turtles and a band of international volunteers, green and loggerhead turtle numbers in North Cyprus are rebounding. Last year, there were more than 2,400 nests counted, a 10-fold increase since their first survey in 1988. There are still challenges in saving these species due to plastic waste, but more locals are recognizing the importance of turtle conservation.

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