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  • Solar Power Is Booming. But It's Putting Desert Wilderness At Risk.

    Solar development can reduce or significantly alter local biodiversity, and this should be considered when planning sustainability projects in the desert, argues a new study. Scientists measured the impact of a solar plant built in California and found that while some grasses and native shrubs grew back, cacti and yucca didn’t fare well. They recommend building solar projects on places that have already been developed or have low environmental impact. Groups like the Nature Conservancy are using that advice to pilot a project demonstrating that old mine sites in Nevada can be used for clean energy.

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  • Zion National Park's shuttles are falling apart, but there is no funding to replace them. Why?

    As part of a collaboration between Zion National Park and the nearby town of Springdale, shuttle buses were introduced to limit the amount of noise in the canyon and deal with issues of over parking. However, those shuttles have now reached the end of their lifespan and threaten to disrupt the flow of tourists into the park. Efforts to replace the buses with an electric fleet, that could also reduce carbon emissions, have hit roadblocks as they’ve been denied federal funding.

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  • How Montana Is Cleaning Up Abandoned Oil Wells

    Abandoned oil wells in Montana leak thousands of metric tons of greenhouse gas emissions every year, so the Well Done Foundation is working to plug up those wells. In about a year, the foundation plugged its first three wells and expanded their program to other states. The data on the state of abandoned wells and its emissions isn’t complete, which makes it difficult to know the full extent of the problem. But, “what’s exciting about this is that we can make an impact one well at a time,” says Curtis Shuck, founder of the foundation.

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  • The ‘solar canals' making smart use of India's space

    Covering canals with solar panels has allowed Indian communities to save land, water and carbon emissions, and even bring electricity to rural villages. The solar panels are suspended on metal structures over the canal, which can generate electricity for farmers and be fed into the state grid or sold to public utilities. While these canal-top solar power plants can be expensive to build, so far, eight Indian states have commissioned canal solar projects.

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  • The growing global movement to end outdoor advertising

    There are 29 Resistance to Advertising Aggression (RAP) groups working in France to ban outdoor advertising such as billboards. The groups worked with the mayor in the city of Grenoble to cancel a contract for 326 outdoor ads. While not all contracts can be changed, RAPs are particularly focused on stopping digital signs because the energy required to run them is harmful to the environment. Groups in the United Kingdom, São Paulo, New Delhi, and Tehran have won campaigns to remove billboards and other outdoor ads, which research shows reinforce sexist and capitalist ideologies.

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  • Could carbon-removal tech make travel more sustainable?

    Climeworks, a Swiss start-up, is using technology to suck carbon out of the air and turning it into stone, essentially cutting greenhouse gas emissions from the atmosphere permanently. Their plant in Iceland is able to turn 50 tonnes of carbon to stone per year. While that amount of carbon won’t solve the climate crisis, they are expanding their work to other countries and are launching a personal carbon removal subscription service as a way for the travel industry to help offset the carbon that they emit each year.

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  • India's tribal farmers tap solar irrigation to cut migration

    New solar-powered irrigation systems in the Chotanagpur Plateau region in India are giving farmers more dependable water and allowing them to diversify their crops, allowing them to also grow their income. Many farmers from a local village used to migrate to other places to search for work, but a new irrigation system has allowed them to grow cauliflower for a competitive price. While the cost of buying and installing a solar-powered irrigation system can be high, this form of irrigation could be more climate-friendly and help stabilize crop production.

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  • Is underground farming the future of food?

    There’s a subterranean, organic farm in one of Seoul’s subway stations that could be another way to approach sustainable urban farming. The “vertical” farm, known as Metro Farm, uses a mineral nutrient solution instead of regular soil, and has an automated tech network to control the underground ecosystem’s temperature, humidity, and carbon dioxide levels. While Farm8, the tech startup in charge of the venture, hasn’t made much of a profit yet, the farm produces about 30 kilograms of vegetables per day at a rate that is 40 times more efficient than traditional farming.

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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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