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  • The revolutionary boat powered by the ocean

    Since the Philippines relies on boats to transport people and goods across the island nation, a shipbuilding company is designing a new low-carbon alternative of the bangka — a traditional Filipino boat — that uses the waves of the ocean to power it instead of fossil fuels. The ship, known as the trimaran, uses wave energy that converts into electricity for the ship. However, a typhoon and the COVID-19 pandemic have delayed the project, and there are also cost and design challenges. But the trimaran’s use of wave energy could be a step toward reducing the country’s greenhouse gas emissions.

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  • Will Your Next Salmon Come from a Massive Land Tank in Florida?

    A Norwegian firm has built a land-based fish farm – which is "a supersized aquatic version of greenhouse agriculture that aims to solve a host of environmental problems plaguing conventional salmon farms in coastal waters" – near the tip of the Florida peninsula. Although it's yet to be seen if demand will be to the scale necessary to deem the endeavor financially viable, in Denmark where this concept was initially piloted, more than 25 generations of salmon have already been harvested.

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  • Blockchain technology to boost power access in rural areas

    A micro-grid system has been paired with blockchain technology to easily sell and buy affordable and clean energy in rural Kenya. Residents living in the countryside don't generally have access to reliable and affordable electricity but this new technology allows rural Kenyans to install solar panels on their homes and easily sell surplus electricity to neighbors. The pilot program is a result of a collaboration between an NGO and a local tech company.

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  • Going ‘Deep Green,' Office Buildings Give Back to the Planet

    More and more commercial real estate projects are popping up around the United States that are focused on “deep green” building. This movement suggests that it’s not enough to just make a building out of renewable materials, but they can also be self-sustaining. For example, the Watershed, an office building in Seattle, has a slanted roof that collects rainwater that is then used in toilets. These types of projects can be more complicated and expensive to build, but developers can save money in the long run with the improvements.

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  • Can direct air capture make a real impact on climate change?

    Climeworks is focusing on pulling carbon dioxide directly out of the air to store or reuse in some capacity as a way to lower global greenhouse gas emissions. The Swiss company has 16 plants around Europe, with their biggest one in Switzerland that removes 900 tons of carbon dioxide a year that is then sold to Coca-Cola Co. to put in soft drinks or to local industrial greenhouses for plant growth. Scaling the operations to capture more carbon is costly, but the startup recently raised $76 million from investors.

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  • The young people fighting the worst smog in Europe

    To measure the level of air quality in Skopje – one of the most polluted cities in Europe – an engineering student developed an app that alerts residents of the pollution levels. The app has raised the awareness of the severity of the city's pollution problem and has helped to kickstart initiatives aimed to address it.

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  • How ‘Sustainable' Web Design Can Help Fight Climate Change

    As part of a growing movement in sustainable software design, Danny Van Kooten, a Dutch programmer, refactored the code on his website plug-in to reduce the amount of energy expended when someone interacts with it. About 2 million websites use his plug-in and by trimming the code, he estimates that he reduced the world’s monthly carbon dioxide output by 59,000 kilograms. While larger companies like video-streaming services put out more emissions, individual website owners can take steps to reduce their own CO2 footprint.

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  • Turning manure into money

    Dairy farmers in Massachusetts are working with Vanguard Renewables, a food waste energy company, and Dominion Energy, an electric utility company, to capture manure methane gas from cows and convert it into natural gas. They are also adding food waste to the manure from manufacturers and retailers to increase energy output and increase income for farmers. The partnership has expanded to dairy farms in other states who are looking to lower their greenhouse gas emissions.

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  • Solar Power Fills Gaps in Underserviced Rural Argentina

    Solar energy has provided an affordable and efficient source of energy to rural farmers in Argentina, who live too far off the electrical grid and have traditionally relied on powerful diesel-fueled water pumps. Solar panels have reduced carbon emissions, eliminated the need for expensive diesel fuel, as well as the hassle of transporting it to the countryside - often over rough roads. The initial investment in solar panels is recouped in a short amount of time and has resulted in a drastic reduction in water consumption.

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  • A New Weapon Against Climate Change May Float

    Floating wind turbines off the coast of Portugal is one of the latest experiments to convert wind energy into electric power. These machines can generate electricity for a city of up to 60,000 people. While it will take more financing and time to scale the project, investors are impressed with the results and see it as a viable financial return to combat climate change.

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