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  • Despite a Punishing Drought, San Diego Has Water. It Wasn't Easy.

    While much of the state is still facing a severe drought, San Diego has access to plenty of water. Restrictions - like not allowing restaurants to serve water unless it’s asked for and barring residents from watering their yards during the day – have helped. Diversifying where the city gets their water from and investing in water-saving infrastructure, like lining Imperial Valley canals with concrete to prevent water from seeping into the earth, growing desalination capabilities, and adding more capacity to the reservoir, have also helped diversity and save water.

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  • A shot of recycled water revives a flourishing ecosystem on the Santa Cruz River in Tucson

    By rewetting part of the Santa Cruz River in Tucson, the city has been able to revitalize an ecosystem that was once thought to be lost. Through collaboration and research, hundreds of species of creatures have returned to the river. This restoration project could serve as a model for other cities that want to help their desert rivers and sustain wildlife habitats.

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  • France's 'Peevolution' Is Irrigating Farms With Liquid Gold

    Getting rid of urine is very wasteful, in the European Union alone almost 6,000 billion liters of water are used to flush urine. TOOPI Organics is using urine as a resource. Founded in 2019, the biotech company collects urine and using a fermentation process transforms it so it can be used as a fertilizer. Its urine fertilizer helped plants grow 60 to 110 percent more than a traditional mineral fertilizer. Its factory in the city of Bordeaux is able to produce 2,500 liters of organic fertilizer per day.

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  • Can Eggshells Save One of Mexico's Most Polluted Rivers?

    The Lerma river in Mexico is one of the most polluted rivers in the country. Water from the river leaves behind yellow stains and causes headaches and dizziness. To help bring clean, drinking water to the community a scientist and a resident in Lerma co-found the H2O Lerma With Charm collective. One of the things the group does is create filters from eggshells they install in the local wells. Eggshels, which are high in calcium, combined with magnesium can reduce heavy metals in water by 80 percent. The collective has close to 70 members and have installed filters in seven local wells.

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  • PA cities have a sewer-system problem. Green infrastructure can help — but comes with its own risks

    In many cities, rainwater is drained through "grey infrastructure" things like pipes, streets, etc. In some cities, this system is combined with the sewage system. Rainwater drains into the sewage system, is then cleaned, then emptied into the river. However, with strong storms some sewage systems overflow. A problem that will worsen with climate change. In Harrisburg, Pennsylvania, rain gardens are one solution to overflowing sewage systems. Cities like Harrisburg are turning to green infrastructure, things like rain gardens, roofs with gardens, and parks, to ease the burden on gray infrastructure.

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  • In Assam, ATMs purify arsenic-laced water

    A water management committee manages Barigaon’s water ATM, which uses a nanotechnology-based ion exchange resin to remove iron and arsenic from groundwater. Residents, who swipe a pre-paid card to collect water in their own containers, pay 40 cents per 20 liters or a flat monthly fee of less than $3. Water is free for families who can’t afford the fee and delivery is arranged for those who are unable to transport water. Around 250 villagers use the ATM each day and its success inspired five additional ATMs, with plans to install 172 statewide. Fees cover maintenance and the landowner’s electricity costs.

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  • Tribes Are Leading the Way to Remove Dams and Restore Ecosystems

    After decades of collaboration between the Lower Elwha Klallam Tribe in Washington state, the U.S. Fish and Wildlife Service, and other organizations, the Elwha River dams were taken down to restore fish populations and return the ecosystem to its natural state. Grant funding has helped tribal biologists partner with organizations and universities to implement their fish restoration plan. While the work is expected to take years and funding isn’t always guaranteed, the restoration work so far has seen native plants and fish return.

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  • The people racing to replant Africa

    The Gambia river which rests in Sahel, the region between the Sahara desert and the African rainforest, used to be extremely fertile, farmers could live of the land. Yet, climate change and years of deforestation have made the land uncultivable. One NGO, with help from other organizations and international funders, is trying to rebuild the land by creating, "The Great Green Wall,” an effort to build an 8,000-km mural of plants and trees along the southern border of the Sahara desert. So far, 18 million hectares of land have been restored.

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  • Local experts offer free classes, resources to create water efficient landscaping

    Localscapes is a program in Utah promoting more water-efficient landscaping. The program includes state-based horticulturists, landscape professionals, and water experts who help interested people make the most sustainable use of their yards and lawns. "The program focuses on five techniques: a central open space, gathering areas, activity zones, paths and planting beds."

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  • Reeling it in: Egypt's fishermen exchange the Nile's plastic waste for cash

    An environmental initiative in Cairo is enlisting fishermen on the Nile River to collect recyclable plastic bottles. The program pays double the rates paid elsewhere in the country, compensating the fishermen for the loss of income caused by the polluted river.

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