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  • Can Small Seaweed Farms Help Kelp Scale Up?

    Atlantic Sea Farms strives to create sustainable ocean livelihoods by growing seaweed, which is good for both people and the planet. It's nutritionally dense, provides an extra source of revenue for fishermen, and is environmentally low impact. Ongoing studies also indicate it might absorb carbon dioxide in the ocean and tamp down ocean acidification. In 2018, Atlantic Sea Farms was producing 30,000 wet pounds of seaweed a year but expects a harvest of 1.2 million pounds this year, making it the largest in the U.S.

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  • Charlottesville's 10th & Page has fewer trees and higher temperatures than other residential neighborhoods — and it's not by accident

    Residents are working together to plant trees in order to boost the urban tree canopy in Charlottesville. With increasing global temperatures, a city’s tree canopy impacts how high the temperatures can go. An ambassador program sends teens from door to door to educate residents and convince them to allow trees to be planted on their properties.

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  • The frontline of conservation: how Indigenous guardians are reinforcing sovereignty and science on their lands

    Over many months, the Wuikinuxv Guardian Watchmen in British Columbia, Canada, patrol about 2,000 square kilometers of the coast by boat, and they're doing everything from warding off poachers to participating in scientific studies. Since it’s rare to see government vessels monitoring the area, many Indigenous communities throughout Canada have created these guardian programs as a way to conserve and protect their land.

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  • Researchers use waste glass to clean up polluted sea

    The beach in Omura Bay in Japan isn’t a normal beach covered in sand: It’s covered in glass. This glass beach, developed by the Nagasaki Prefectural Environmental Health Research Center, is meant to recycle waste from the ocean and promote the growth of shellfish to maintain the water’s health. After five years, the center has seen about 525 clams per square meter, an increase over previous years.

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  • The ‘timber detectives' on the front lines of illegal wood trade

    At the Thünen Institute in Germany, a team of 15 people are working to identify culprits of the world’s third largest criminal sector: the illegal wood trade. Since 2013, they have been analyzing and identifying the origin of wood products to determine if they were made from endangered or protected tree species. In 2021, they analyzed about 10,000 samples and are working with organizations and authorities around the world to prevent illegal logging.

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  • Meet the women turning porridge into energy saving briquettes

    A group of women (and five men) called the United Destiny Shapers makes briquettes to sell to their community as an alternative to burning charcoal. It’s a cleaner energy and costs less than charcoal. Marketing their product is still a challenge, but their operation has allowed many of its participants to pay their bills and support their families.

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  • Der vielseitige Nutzen von Seegraswiesen

    Seegraswiesen binden viel CO2, doch in der Ostsee leiden sie unter den steigenden Wassertemperaturen. Forscher aus Kiel suchen nach Lösungen und pflanzen neue Setzlinge an. In Zukunft sollen auch Hobbytaucher eingeladen werden, unter Wasser mitzugärtnern.

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  • Distiller generates electricity from sweet potatoes

    A Japanese alcohol distiller is using sweet potatoes to generate electricity. By using as much as 1,200 tons of sweet potatoes a day, they are able to turn the vegetable and turn it into biogas. The distiller generates about 8.5 million kilowatt-hours each year, which is used to power company-owned electric vehicles.

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  • Catching Crabs in a Suffocating Sea

    Frances Chan, a researcher at Oregon State University first came across hypoxia or dangerously low-levels of oxygen in the ocean in Oregon back in 2002. To better understand the issue and empower crab fishers whose livelihoods suffered as a result, he helped develop "small, low-cost oxygen sensors" that fit into their crab pots and read the levels of oxygen in water in real time as they fish. This year, 38 instruments were sent out on eight boats, and with time, the information could help fishers adapt.

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  • How Hong Kong protects people from dangerous landslides

    After deadly landslides in the 1970s, Hong Kong has pioneered a successful landslide risk mitigation approach. Geotechnical engineers have cataloged over 60,000 slopes and upgraded those that needed it. The most successful aspect of the mitigation approach has been an early warning system that uses a combination of data sources to determine the risk of landslides and broadcasts warnings over TV, radio, and other public sources. Deaths from landslides have dropped substantially and it has inspired similar early warning systems around the world.

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