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  • Food waste is a billion-dollar problem. Can this spray make a difference?

    Researchers in India developed a spray that is applied to mangoes to extend their shelf life by about a week, reducing food waste and increasing farmers’ profits.

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  • Adopting the Aquaculture of the Future in Thailand

    A form of polyculture called Integrated Multi-Trophic Aquaculture is taking off in Thailand and China as a way to make fish farms more sustainable and increase profits. The practice involves farming multiple different organisms together, like fish and shrimp, so that they complement each other, reduce waste, and grow quicker.

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  • Plastic-choked rivers in Ecuador are being cleared with conveyor belts

    The startup Ichthion created a system that skims plastic off of rivers in Ecuador to prevent it from reaching the ocean. A floating barrier stretches across the river to catch the plastic without disrupting fish, and a person manually guides the pollution onto the shore where it’s sorted for recycling.

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  • Sustainable plastic recycling: Cleaner life for us, better livelihood for waste collectors

    The Recycling for the Environment by Strengthening Income and Livelihoods of Entrepreneurs (RESILIENT) Project helps support the economy of waste collectors and aggregators by providing training, safety equipment and mentorship on how to handle finances and operate a waste business. Waste collectors and aggregators who have participated in the RESILIENT Project earn increased profits and are able to collect and recycle more plastics and other materials.

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  • Got Broken Stuff? The Tool Library Has a Fix

    Dare to Repair helps people repair broken electronics, small appliances, and other items instead of throwing them away. Its Tool Library has diverted 7,779 pounds of waste from landfills and amassed a collection of nearly 5,000 tools available to community members. There are more than 3,000 repair cafes around the world and Buffalo’s Dare to Repair has nearly 1,500 members and processes more than 14,000 tool loans a year.

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  • Fighting fire with beavers: How dam-building rodents are deployed to prevent megafires, restore scorched wildlands

    Riverscapes inhabited by beavers fare far better than other areas during extreme wildfires because they hold back and spread out water, pushing it further into the ground. These spaces become critical pockets of habitat for animals to shelter in and can function as fire breaks. Restoration experts in Colorado are building structures that mimic beaver dams in hopes of replicating the effect and, if they’re lucky, incentivizing beavers to return.

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  • This self-taught innovator in Nigeria upcycles e-waste into power banks

    Zang Technologies creates portable chargers out of recycled materials, having sold 21,000 power banks since 2018. The chargers are compatible with a variety of devices, including smartphones, and offer sustainable power that also helps reduce waste by recycling electronics and turning them into alternative power sources.

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  • Taking the classroom outside: How nature is teaching valuable lessons in Uganda

    The residents of Kikandwa, Uganda, came together to create the Kikandwa Environmental Association to implement nature-based solutions in their community. The solutions are combatting climate change and generating more income than options with a negative environmental impact. For example, many people traded cutting trees to make charcoal for selling seedlings at the local tree nursery.

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  • 'We need more shade': US's hottest city turns to trees to cool those most in need

    In Phoenix, Arizona, a citywide tree-planting initiative is slowly increasing canopy cover to reduce the urban heat island effect in neighborhoods that need it the most. Residents pick between several varieties of desert-adapted trees, which are planted on their property by professional arborists, and take care of them with a provided kit.

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  • AC Has a Big Climate Impact. This New Tech Could be a Game Changer

    Thermal storage technologies are lowering businesses’ energy costs and carbon emissions while reducing strain on the grid during peak times. Two hotels in California implemented a system that makes ice when energy demand is low and uses the ice during peak demand times to cool the building.

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