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  • The rough road to sustainable farming in an Amazon deforestation hotspot

    In Brazil's Amazon deforestation hotspot BR-163, small farmers and entrepreneurs are working to implement sustainable farming alternatives like agroecology, beekeeping and converting cattle pastures to grow local fruits to create a “bioeconomy,” despite a lack of institutional support.

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  • As the Colorado River Shrinks, Southern California Is Embracing Water Recycling

    Large-scale wastewater recycling is emerging as a crucial response to water shortages in Southern California, exacerbated by the declining Colorado River. The Orange County Water District's Groundwater Replenishment System has successfully produced over 450 billion gallons of recycled water since 2008, creating a reliable, drought-resilient local water source, despite high costs and issues surrounding initial public perception.

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  • For climate and livelihoods, Africa bets big on solar mini-grids

    In Nigeria, nearly half of the population doesn’t have access to electricity grids, making solar a cheap and versatile option to bring affordable, reliable and eco-friendly power to millions. The country is using solar mini-grids, small installations that produce up to 10 megawatts of electricity. Nearly 120 mini-grids are now installed, powering about 50,000 households and reaching about 250,000 people.

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  • Florida is now a solar superpower. Here's how it happened.

    With the help of federal tax credits and localized policies for building, last year, Florida surpassed California as the state with the most new solar panels plugged into its grid, building three gigawatts of large-scale solar in 2024.

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  • Laudato Si' 101: Catholic University students boost energy efficiency at Newark Archdiocese

    Students at Catholic University of America in a net-zero design course are analyzing church structures and making suggestions for green improvements to address the climate crisis, reduce carbon emissions and support the Vatican’s Laudato Si’ mission to conserve energy and protect the planet. Though in its early days, the course has proven beneficial for U.S. dioceses, and students say it’s impacted the way they see architecture and design, and how it can have implications tied to the environment.

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  • As Heat Deaths Rise, Planting Trees Is Part of the Solution

    To address shade inequality and rising heat deaths, the American Forests launched a digital tool in 2021 that scores geographic areas based on tree canopy and surface temperature, as well as other factors such as income, employment, race, age and health. It then calculates a Tree Equity Score and maps out the regions that have the greatest need for trees. With this information, Tucson aims to plant one million trees by 2030, and has already planted 120,000 over the past four years.

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  • Feeding Cows Seaweed Could Cut Methane Emissions and Diversify Maine's Coastal Economy, but Can It Scale?

    Seaweed is emerging as a solution to Maine's shifting climate and economy, providing alternative industries for ocean farmers and also supporting land farmers' climate initiatives. While still in piloting stages, studies have shown up to 50 percent reductions in methane on New England cow farms that incorporate seaweed into feed.

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  • Yaku Raymi: The Quechua Ritual to Save a Glacier

    In Santa Fe, Peru, an ancestral system of water storage is helping communities cope with water scarcity: qochas are artificial lagoons built to store rainwater during the wet season, which is later used during droughts. The use of qochas has allowed Santa Fe to have 41 reservoirs that store 2.9 million cubic meters (102.4 million cubic feet) of water, three times more than before.

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  • How Stockholm Is Sprouting Healthy Trees From Concrete

    The "Stockholm tree pit” model involves digging a pit and constructing a frame underground around an urban tree’s roots, then filling this pit with a mixture of soil and stone to both aerate and fertilize the soil while also allowing rain water to be collected. The circumference of select planted trees increased from 30 to 35 centimeters to 100 and 136 centimeters between 2004 and 2024, even surpassing that of trees without the tree pits that have been there for more than 80 years.

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  • Ideas We Should Steal: Divest Fossil Fuels From City Pensions

    Following the success of New York City's divestment of pension funds from fossil fuels, a process that started in 2015, other cities around the US are exploring ways to achieve net-zero portfolio emissions. In most cases, the divested pension funds have performed at least as well financially as a city’s non-divested funds.

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