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  • Abandoned Coal Mines Are Becoming the Batteries of the Future

    Gravity batteries can store excess renewable energy in abandoned mine shafts, offering coal-dependent communities economic and environmental benefits. This energy storage tactic is being used in various iterations around the globe.

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  • Some Wisconsin landowners manage beavers with non-lethal ways

    Advocates and ecological consultants are popularizing flow control devices and tactics as a solution to beaver conflicts. A few are limiting beavers’ damming behavior and reducing beavers impacts on human infrastructure.

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  • Green Microgrids Are Powering a More Resilient Future

    Microgrids, small-scale energy systems that can operate either independently or as part of the larger electric grid, are growing in popularity and effectiveness. In one example on tribal land in California, a microgrid saves 25 percent of electricity costs and reduces Blue Lake Rancheria's carbon footprint by hundreds of tons of carbon annually.

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  • Can desalination quench agriculture's thirst?

    Several pilot studies point to the viability of desalination projects being an effective option for farmers in certain fresh-water-scarce regions.

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  • Can Fungi Save This Endangered Hawaiian Tree?

    Conservationists in Hawaii are growing seedlings of the critically endangered na’u tree alongside mycorrhizal fungi instead of fertilizers and pesticides to mimic their natural growing process. The fungi support the plant in a variety of ways, like sucking up more water and providing mineral nutrients, which helps the seedlings grow at a rapid pace.

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  • Report finds guaranteed income helped Louisvillians save money and avoid evictions

    The city of Louisville, Kentucky, offered some residents of low-income neighborhoods $500 a month for a year with no strings attached as a part of its first ever guaranteed income program. The funds allowed people to start building savings and prevented evictions.

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  • The Futures of Right Whales and Lobstermen Are Entangled. Could High-Tech Gear Help Save Them Both?

    Lobster is a crucial economic resource in New England, but entanglements with the fishing line from lobster traps are a major cause of death for endangered North Atlantic right whales. Scientists and lobstermen are testing ropeless, on-demand gear that minimizes the risk for whales and allows fishing to continue in areas that would otherwise be closed for months as the whales pass through.

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  • How to build an AC that will get the world through hotter summers

    Innovators are developing new air conditioning units to keep people cool as temperatures and humidity rise without contributing to greenhouse gas emissions. Alongside improved energy efficiency, the new tech focuses on sensing and reducing humidity in real-time and adjusting itself as humidity fluctuates throughout the day.

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  • Mini-artificial islands mimic wetlands and help filter Missouri's lakes and ponds

    The Missouri Department of Conservation is installing artificial wetlands in small bodies of water across the state to improve the water quality. The floating plastic islands are anchored to the seabed and hold native plants, allowing the roots to reach into the water below. The plants soak up excess nutrients and toxins, mimicking natural wetlands.

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  • They've Got a Plan to Fight Global Warming. It Could Alter the Oceans.

    The startup CarbonRun developed a machine that adds limestone to rivers to increase the amount of carbon dioxide they trap. Adding the alkaline substance to the water as a powder converts carbon dioxide into a stable molecule, which keeps it underwater.

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