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  • 'Valuable and largely overlooked': Interest in virtual power plants grows

    Utility companies across the United States are using virtual power plants to meet electricity demand, access backup power, and lower the electric bills of participants. To make these power plants work, the utilities use energy from the battery storage systems of customers who have home solar arrays.

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  • Light at the End of the Tunnel

    Communities in the United States are slowly replacing small culverts that alter the flow of streams and block the paths of migratory fish species with wider culverts and bridges, allowing the ecosystems to recover.

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  • Wildlife Crossings Can Mend a Landscape

    The Netherlands built nearly 3,000 wildlife crossings over and under roads, railways, and waterways to reduce habitat fragmentation, allowing wildlife to roam freely without becoming roadkill.

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  • Tidal power: What's holding it back?

    Researchers in South Korea and Ireland are harnessing the power from the up, down, and side-to-side motions of ocean tides as a source of renewable energy.

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  • Copenhagen: How to flood-proof a city

    The city of Copenhagen uses a combination of green and gray infrastructure for flood prevention. It installed more plants, ponds with pumping systems, and green roofs to collect rainfall along with a giant underground tunnel system and walls that close off areas of the city to store water.

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  • Rapid Radicals says there's a faster way to treat wastewater, begins pilot program in Milwaukee

    The startup Rapid Radicals uses a chemical process to treat sewage much quicker than the typical biological process. It hopes to use the technology to reduce the sewage released into local lakes and rivers in Milwaukee when the system is overwhelmed by rain or snowmelt.

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  • The buildings constructed from cannabis

    Hempcrete, a combination of hemp, water, and lime, can be used as a more sustainable insulation option for buildings. The material improves energy efficiency, produces less carbon than options like fiberglass and foam, and will continue to capture carbon while used as insulation.

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  • Golden straw: how Ukraine can make money from bio-waste and give up gas

    Ukrainian scientists invented a generator that uses organic waste from agriculture to produce cheap energy. This method can replace natural gas while disposing of agricultural waste in a way that doesn’t emit carbon dioxide.

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  • Solar shingles top Virginia home

    The Timberline Solar Energy Shingle roof is made up of solar-power integrated, nailable shingles that allow homeowners to keep the look of traditional roofing shingles while reaping the benefits of solar energy. This prevents aesthetic-related issues with homeowner associations and installation bottlenecks that complicate the process of installing solar panels.

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  • Venice Is Saved! Woe Is Venice.

    Venice, Italy, spent 50 years building 78 underwater seawalls that can be filled with air and brought to the surface to hold back high tides and prevent the city from flooding. The system, dubbed MOSE, was designed to rise up and down to maintain the passage of boats and water between the sea and the lagoon on the edge of the city of canals. It has been raised 49 times so far.

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